Geeky Gift Ideas For Men

Here's a few geeky gift that might help solve your gift hunting problems. We always add new items to our growing list of mens gifts and we hope you enjoy find the perfect gift for him. Our range of geeky gift ideas are for any occasion and suitable for most kids big and small.

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The Hulk Giant Stubby Holder
Available
Stubby Holder

The Hulk Giant Stubby Holder

WVHGS01
$34.95
Hulk smash! The real man's stubby holder - so big you can make others look weak and unmanly. Also provide extra insulation along with a handy hole for your own hand. Fits standard sized cans and stubbies. Awesome gift for the Marvel fan.
Retro TV Mini Games Controller
Available
Other Games

Retro TV Mini Games Controller

Thumbs Up UK
TURTGC02
$29.95
Plug and play your way back to the future with the Retro TV Games Controller. This handheld controller looks and feels like the gaming controllers we adored in the 80s, yet plugs straight into your modern TV for a gaming experience we could only dream of back then. Compact and ultra-portable, this retro controller is perfect for the whole family.  Plug...
Geek Mug
Available
Mug, Flask & Glass

Geek Mug

Thumbs Up UK
TUGM002
$19.95
Join the hippest alliance in the world… The Geeks! Made with high quality ceramic, this mug is etched with word ‘GEEK’ with a G handle. Take a sip and pledge allegiance to the coolest clique around! Dishwasher and microwave friendly.
Original Stormtrooper Glass - 1
Available
Mug, Flask & Glass

Original Stormtrooper Glass

Thumbs Up UK
TUOSG02
$24.95
The perfect glass for any Stormtrooper enthusiasts. In 1976 prop maker Andrew Ainsworth of Shepperton Design Studios created the original Stormtrooper helmets and armour for the first movie. These products are based on the original moulds Andrew produced, as close as it is possible to get to the original film props. Accept no compromises! Features:...
DC Comics Batman Welcome to the Arkham Asylum Door Mat
Available
Home Decorations & Furnishing

DC Comics Batman The Joker Welcome to the Arkham Asylum Doormat

GXDCBAM01
$29.95
Welcome your guests to your secret arkham asylum with this DC Comics official licensed doormat. Features: Size: 60cm x 40cm Comes with rubber backing. Officially licensed DC Comics merchandise.
DC Comics Batman Welcome To The Batcave Doormat - 1
Available
Home Decorations & Furnishing

DC Comics Batman Welcome To The Batcave Doormat

GXDCBBM02
$29.95
Welcome your guests to your command centre with this cool batcave doormat displaying the iconic Bat Logo and the words "Welcome to the Bat Cave" featured in bold lettering. Features: Size: 60cm x 40cm Comes with rubber backing. Official licensed DC Comics merchandise.
Retro Games Console
Available
Other Games

Retro Games Console

Thumbs Up UK
TURGC004
$79.95
Plug and play your way back to the 80's with this Retro Games Console. Looks and feels like the gaming console we adored back then, yet plugs straight into your modern TV for a even better gaming experience. Includes over 401 8-bit games and two controllers for multi-player use. Prepare yourself for hours of endless fun playing a range of shooting,...
Geek Gamer Trivia
Available
3D Puzzle

Geek Gamer Trivia

OLGGT10
$12.95
The Geek gamer trivia consists of 100 geeky trivia questions about console, arcade game, game developer questions and more. With questions like; In what year was the Nintendo 64 released? What was the first home console? David Crane, Larry Kaplan, Alan Miller and Bob Whitehead left Atari to form which company? This trivia will ignite the geek in you and...
Marvel – Avengers Collage 1000 Piece Jigsaw Puzzle - 1
Available
Jigsaw Puzzles

Marvel – Avenger Collage 1000 Piece Jigsaw Puzzle

WVMAC1P01
$32.95
Prove that you are mighty and Assemble! Get together and do what no hero alone can do: complete this 1000 piece puzzle featuring some of Earth’s mightiest Avenger comic book covers!
Original Stormtrooper - Vacuum Flask - 1
Available
Mug, Flask & Glass

Original Stormtrooper - Vacuum Flask

TUOSVF02
$29.95
Protect your drinks from the elements. Ice-cold drinks for up to 24 hours or hot drinks for up to 12 hours. Includes leak proof design and removable strainer for use with loose leaf tea. Awesome gift for the Star Wars fan. Features: BPA Free Capacity: 450ml Hand wash only Not suitable for microwave or dishwasher use Strainer for use with loose...
Original Stormtrooper - Drinking Glass Set of 4 - 1
Available
Mug, Flask & Glass

Original Stormtrooper - Drinking Glass Set of 4

TUOSDGS02
$39.95
Grab your friends and raise a glass to the Galaxy with this set of 4 highball glasses. Includes 2 clear and 2 black glasses printed with the Original Stormtrooper in full battle attire. In 1976 prop maker Andrew Ainsworth of Shepperton Design Studios created the original Stormtrooper helmets and armour for the first movie. These products are based on the...
NASA Mission Patches 1000 Piece Jigsaw Puzzle - 1
Available
Jigsaw Puzzles

NASA Mission Patches 1000 Piece Jigsaw Puzzle

WVNMPP02
$32.95
To commemorate every space flight, the astronaut crew designs their own mission patch. The patch design includes various elements describing the different phases of that particular mission. Typically, the names of the crew and the name of the space vehicle and its mission number are also incorporated into the design. Piece together this stunning 1000...
Original Stormtrooper Espresso Mug Set
Available
Mug, Flask & Glass

Original Stormtrooper Espresso Mug Set

TUSEMS02
$29.95
Sky rocket your morning and start the day off on a high with a shot from these Original Stormtrooper Espresso mugs. The set of 2 ceramic mugs come packaged in a stylish gift box, making this the perfect present for Stormtrooper fans. Feature: Capacity: 80ml. Material: Double walled ceramic. Produced in collaboration with Andrew Ainsworth of...
DC Comics Cast 3000 Piece Jigsaw Puzzle - 1
Available
Jigsaw Puzzles

DC Comics Cast 3000 Piece Jigsaw Puzzle

WVDCC3P01
$59.95
If you love your heroes movies and comics than this puzzle is for you. It features all the best superheroes dashing forward towards you. With wonder woman, superman & batman at the front followed by a huge range of other heroes. This 3000 piece puzzle will surely keep you occupied and satisfied once completed. Size: 81cm x 114cm when complete
Game Controller 3D Mug - 4
Available
Mug, Flask & Glass

Retro 3D Game Controller Mug

MDIGCM03
$14.95
When gets to game time, this 3d game controller mug will bring you closer to the action one sip at a time. This ceramic mug with a dynamic 3D game controller handle and colourful "Game Over" pixel art design to add on a touch of nostalgia. The perfect retro gift for any avid gamer.
NASA Galaxy 1000 Piece Jigsaw Puzzle - 1
Available
Jigsaw Puzzles

NASA Galaxy 1000 Piece Jigsaw Puzzle

WVNMPP02
$39.95
1000-piece Jigsaw featuring imagery from the Hubble Space Telescope.  Product Features: 1000pc jigsaw Assembled size: 19.5 x 27 inches (49 x 68.5cm) Comes in 3 different unique imagery
Mini Retro Keychain Game - 1
Available
Other Games

Mini Retro Keychain Game

Thumbs Up UK
TUMRKG02
$12.95
Fly back to the 80s and take your retro games with you. This super mini console cramps 26 old-school games into a 1 inch LCD screen keychain so you can play the games wherever you go. 
Foldable Aluminium Laptop Stand - 1
Available
Phone & Tablet Accessories

Foldable Aluminium Laptop Stand

DSFALSH01
$49.95
Keep your laptop cool and your neck pain free with this Foldable Aluminium Laptop Stand. This stand can be adjusted to 2 comfortable angles and heights to a perfect eye level and minimizes neck and eye fatigue as well as back pain. Great for users who spend long hours in front of the laptop.This hollow design of this laptop stand also offers great heat...
100 Things You Thought You Knew Card - 1
  • New
Available
Other Games

100 Things You Thought You Knew Card

WVTYTYK02
$19.95
These cards promise jaw-dropping revelations of 100 things you thought you knew! Are you sure a goldfish's memory only last for 3 seconds? How about what the Evil Queen says to her mirror? The answers might surprise you… and make you question your entire existence!Great conversation starter and after dinner activity. Suitable for kids and adults alike. 
Star Wars Yoda Welcome You Are Door Mat
Available
Home Decorations & Furnishing

Star Wars Yoda Welcome You Are Doormat

CWOYWYA01
$29.95
Welcome all guests will be when you place this Yoda welcome doormat by the front door. This cool door mat displays Yoda's likeness over a short welcome message all guests especially Star Wars fans will definitely enjoy. The Star Wars Yoda Welcome You Are Door Mat is the coolest house warming gift, Christmas gift, birthday gift in the universe!...
Galileo Thermometer - 44 cm
Available
Home Decorations & Furnishing

Galileo Thermometer - 44 cm

HJGT44
$54.95
The Galileo Thermometer, invented by Galileo Galilei in the 17th century is a thermometer made of a sealed glass cylinder containing a clear liquid and a series of sealed glass balls with different densities which could rise or fall as the temperature changes. By doing that, the balls form a temperature scale.This 44cm tall Galileo Thermometer consists 10...
Foucault's Pendulum - 55cm
Available
Home Decorations & Furnishing

Foucault's Pendulum - 55cm

HJFP55
$89.95
This simple yet elegant device consists of a metal pendulum suspended from an executive wooden stand, and can be used to demonstrate that the Earth does, indeed, rotate. With its rhythmic motion, this pendulum gently creates beautiful Lissajous patterns in the sand and the patterns are never the same! Mesmerizing and addictive! The metal pendulum...
Drinking Lucky Bird
Available
Other Games

Drinking Lucky Bird Duncan

MDI Australia
MDIBD003
$12.95
This classic novelty drinking bird is a scientific wonder. Dip head in water and the liquid inside will flow upside down to make Duncan bob. This seemingly simple device uses the principles of thermodynamics to maintain a constant bobbing motion.
Plasma Ball - 8 Inch
Available
Home Decorations & Furnishing

Plasma Ball - 8 Inch

MDI Australia
MDI8PB01
$59.95
This Plasma Ball is the mother of plasma balls at 8 inches in diameter with a black back cover to increase the visibility and effect of the lightning. The 8-inch Plasma Ball reacts to sound and touch due to a reaction between the current and negatively ionised gas that fills the sphere. CM: 20.32cm
Periodic Mug - 1
Available
Mug, Flask & Glass

Periodic Mug

HJPM004
$14.95
Drinking Your Morning Coffee Couldn't Be More Elemental Fully accurate and complete reference guide with a bright multi-color design. The perfect teacher’s gift or student desk accessory.
Tuxedo T-Shirt
Available
T-Shirts

Tuxedo T-Shirt

TUX001
$16.95
This awesome tuxedo t-shirt features the classic Tuxedo print. When worn it could make you feel like you're going to a fancy dress party. This is the shirt of all shirts and a must-have tee for any man looking to impress on a casual level. The print features a small flower on the right and is comfortable to wear. Perfect for um... weddings or just...
Foucault's Pendulum - 38cm
Available
Home Decorations & Furnishing

Foucault's Pendulum - 38cm

HJFP38
$39.95
This simple yet sophisticated device with a black stand is the perfect size to sit on your desk. With its rhythmic motion, this pendulum creates beautiful and complicated geometric patterns in the sand and the patterns are never the same! Therapeutic and addictive! Mesmerizing and addictive! The pendulum is more than just an elegant desktop toy, it...
Neon Step & Wheel Liquid Timer
Available
Novelty Gifts

Neon Step & Wheel Liquid Timer

MDINSLT03
$10.95
Watch the neon green liquid ooze drip down in a zig zag pattern. When you flip it over the blue gel drips down to spin the wheel. An entertaining toy for all ages, everyone will find themselves entranced in watching it. Size: 4cm x 5cm x 12cm
Torpedo Run Puzzle
Available
3D Puzzle

Torpedo Run Puzzle

PGTPR025
$16.95
The shuttle in the cage is desperate to escape from it's prison - can you be it's saviour?Here is an exciting puzzle for a man who enjoys a challenge. The aim of this puzzle is to remove the shuttle from the cage. Difficulty: Hard but not ExtremeMaterial: stainless steel.Size: 75mm x 45mm x 45mm
Monopoly - AFL Edition
Out of stock
Board Games

Monopoly - AFL Edition

ICMAFL01
$59.95
 This special AFL edition of Monopoly is a must have for all AFL fan. Game includes all 18 AFL teams, AFL House and AFL Players' Association featuring iconic stadia and medals; home to Toyota AFL Finals Series & Grand Final! Officially licensed Monopoly Board Game and official AFL merchandise. Players: 2-6
50 Year Calendar Paperweight
Available
Desk and Office

50 Year Calendar Paperweight

MP5YC01
$19.95
Find the day of the week for any future date up to 50 years from now. Also work as a stylish paperweight with non-skid bottom. Simply line up month and year at the top of the dial to reveal matching monthly calendar at the bottom of the dial. Made of stainless steel Measures 8.5cm diameter
Colour Motion Liquid Timer
Available
Novelty Gifts

Colour Motion Liquid Timer

MDICMLT03
$12.95
Watch the multicoloured liquid quickly drip down to create colourful effects and motions. Like oil and water, the colours never combine but occasionally fuse together to make pretty multi coloured formations. An entertaining and soothing toy for all ages. Size: 5cm x 3cm x 14cm
Luminous Jellyfish Tank Lamp as featured on Channel 10's The Living Room
Available
Other Giftwares

Luminous Jellyfish Tank Lamp as featured on Channel 10's The Living Room

GGLJT001
$109.95
VOTED 'HOT' ON CHANNEL 10'S "THE LIVING ROOM" FEBRUARY 12TH, 2016 This mood lamp is unlike any other and uses vibrant, realistic electric light up jellyfish made from silicone that dance elegantly through the water while illuminated by LED lights for an amazing effect in any room. It gradually transition between a variety of neon colours, or can be set...
Game of Thrones - Mug Set of 3 Westeros Map
Available
Mug, Flask & Glass

Game of Thrones - Mug Set of 3 Westeros Map

ICGOTMWM03
$29.95
Probably one of the coolest Game of Thrones mugs you'll find. This set of 3 coffee mugs all join together to display the map of Westeros. Nice.
Hydraulic Robotic Arm
Available
Desktop Toys

Hydraulic Robotic Arm

SNHRA02
$44.95
This do-it-yourself 3D model takes about an hour to assemble and makes it fun to learn about robotics, levers, fluid dynamics and engineering principles. When assembled, it rotates 90 degrees, stands 34 cm high and has arms that stretch 41 cm. The best part? The Hydraulic Robot Arm can pick up and move small objects too! Features: Easy to make in...
Zombie Road Trip Board Game
Available
Board Games

Zombie Road Trip Board Game

WVZRT01
$39.95
AN EPIC GAME OF FUN AND STRATEGY. YOU ARE HUMANITY’s LAST HOPE. BE THE FIRST TO COLLECT ALL FOUR TOKENS TO WIN. WILL YOU SURVIVE TO FIND THE CURE? Travel through the Wasteland in search of a cure. Carry out board actions, collect ammo tokens and toll passes while fending off zombie attacks. Gain access to the inner track to collect cure tokens from known...
Darth Vader I am Your Father Kid's T-shirt
  • On Sale / -$5.00
Available
Kids Clothing

Star Wars Darth Vader I am Your Father Kid's T-shirt

MDDVFK10
$19.95 $24.95
Commemorate the most iconic scene in sci-fi history with this clever cartoon analogy. A must-have for mini Star Wars fans and i-generation kids.  T-shirts are screen-printed with an eco-friendly discharge process onto 100% cotton, quality lightweight t-shirts, giving a lovely soft hand-feel. Designed and printed in Australia. Comes in kids sizes too.
Da Vinci's Catapult by Pathfinders
Available
Desktop Toys

Da Vinci's Catapult

Pathfinders
SNDCC02
$39.95
When Leonardo da Vinci wasn't busy painting, sculpting or being brilliant, he spent his free time drawing mechanical throwing machines. Now you can match wits with da Vinci and put your coordination skills to the test with this build-it-yourself, working re-creation of his 15th Century catapult. This bad boy can hurl a small clay ball over 4 meters; comes...
Make Your Own Volcano Science Kit
Available
Toys & Games

Make Your Own Volcano Science Kit

SNMOVSK02
$19.95
With this easy, safe and fun kit you can recreate the spectacular sight of an eruption of a mini-Vesuvius in your own home or classroom. Discover fascinating facts about volcanoes and learn more about them in five exciting volcano-related activities:  Make a simple lava lamp Make a model of a volcano and reproduce an eruption Sticky runny stuff:...
Biology Madness: 24 Experiments
Available
Toys & Games

Biology Madness: 24 Experiments

SNBM24E02
$29.95
Are you crazy for biology? Then this kit is perfect for you! This kit is a comprehensive science kit with 24 fun and interesting experiments. Activites cover the areas of Microbiology, Environmental Science, Health and nutrition, Forensic Science, Biochemistry, Genetics, Physiology and Botany. Great for ages 8 and up. Kit includes: safety googles...
Chemistry Chaos: 19 experiments
Available
Toys & Games

Chemistry Chaos: 19 experiments

SNCC19E02
$29.95
A comprehensive science kit with 19 fun and interesting experiments to explore the natural world.  The kit includes all the main scientific equipment required for the experiments. 51 page full colour booklet which includes fun facts and further experiments. Includes experiments in the areas of Matter, Chemical Reactions, Crystallography, Forensic...
 Da Vinci Helicopter Wooden Kit by Pathfinders
Available
Desktop Toys

Da Vinci Helicopter Wooden Kit by Pathfinders

SNDHWK02
$39.95
Leonardo da Vinci developed concepts for a giant ‘air screw’ late in the 15th century. This working model uses a bevel gear, also from his drawings, to spin the canopy and support structure, illustrating the way Leonardo thought flight might be possible. A fun and inspiring project from one of the greatest minds of history. Easy to make from pre-cut...
 Da Vinci Trebuchet by Pathfinders
Available
Desktop Toys

Da Vinci Trebuchet by Pathfinders

SNDVT02
$44.95
A working re-creation inspired by Leonardo da Vinci's 15th century trebuchet.Based on his drawing from the Codex Atlanticus, da Vinci's trebuchet was a design most likely made for the Duke of Milan during the late 15th century. Features: Easy to make in about an an hour or two Natural untreated wood and plywood All pieces pre-cut and ready to go....
Forensic Science Kit
Available
Toys & Games

Forensic Science Kit

SNFSK03
$19.95
Become a foresnsic scientist in your own home! Use the same methods as experts in 4 exciting experiments. Learn how to extract DNA, create a fingerprint database adn learn how to lift prints, use chromotography to analyse different inks and cast prints of a suspects shoes! A great kit for school projects or just fun at home. Ages 8+
The Ryebuck by Didgeridoonas
Available
Didgeridoonas

The Ryebuck by Didgeridoonas

DRYB001
$129.95
This bag was born in swathes of heavy canvas and skins of leather. This is the first of the Didgeridoonas canvas range. Extremely aesthetic and incredibly stylish, this bag will make you stand out from university to the outback. As with everything Didgeridoonas, expect the same quality that all of our products are made with. This will be a bag that you...
Doctor Who Tardis Umbrella
Available
Novelty Gifts

Doctor Who Tardis Umbrella

Ikon Collectables
ICDWTU001
$24.95
Any Doctor Who fan is going to need one of these TARDIS umbrellas to keep themselves dry. Unfortunately it isn't Bigger on the inside.
Retro Handheld Console
Available
Other Games

Retro Handheld Console

Thumbs Up UK
TURHC002
$39.95
80s kids are going to love this Retro Handheld Console. From classic games like Tic Tac Toe and Connect Four to shooting the enemy and collecting coins, you'll be sure to find some of your old favourites. Bring back all that nostalgia and all the fun (without the need for a bag of coins). It looks retro, enables you to play old school 8-bit games - yet...
Fitzroy's Storm Glass - 28 cm
Available
Homewares

Fitzroy's Storm Glass - 28 cm

HJFSG28
$29.95
The Fitzroy's Storm Glass is an amazing little things and a fancy bit of science that will help you to accurately predict the the weather to come. Popularised by Admiral Robert Fitzroy after his historic voyage on the HMS Beagle, you can now forecast the weather too by observing the appearance of the liquid in the glass. When the temperature and pressure...
Double Wheel Liquid Timer
Available
Novelty Gifts

Double Wheel Liquid Timer

MDIDWLT03
$10.95
Watch the blue gel drip down to spin the wheel and fill the chamber below. When the gel empties from one half, flip it over to start all over again. An entertaining toy for all ages, everyone will find themselves entranced in watching it. Size: 4cm x 5cm x 12cm
mini desk vacuum world's smallest - 1
Available
Computer Accessories

Mini Desk Vacuum - World's Smallest Vacuum Cleaner

MDIWSVC12
$19.95
Fear not the rising tide of dust and crumbs - for this mini desk vacuum is here to take the bad things away with ease. The perfect little companion for your desktop because  it can reach tight places like your keyboard and it really sucks! Handy desktop size with with reusable filter, extra long 1.5 metre cables and 2 attachments. Size: 11cm x 4.2cm x...
Selective Hearing Specialist Socks
Available
Socks or Jocks

Selective Hearing Specialist Socks

OTCSHS06
$22.95
There are lots of great abilities to have. This could be the best of all, that surprisingly all men possessed.  Men's shoe size 7-12.57% combed cotton; 40% nylon; 3% spandex.
Metal Detector by Legami Milano
  • On Sale / -$10.00
Available
Cool Gadgets

Metal Detector by Legami Milano

TPVMMD02
$39.95 $49.95
Have fun looking for metal objects on the beach, during an outdoor trip, or even during your free time. With the Legami handy metal detector, you can carry it with you wherever you go. Features: The LED lights turn on when a metal object is detected. Alert sounds to notify you when a metal object is detected. Made of plastic Requires:...
Hand Boiler
Available
Novelty Gifts

Hand Boiler

MDIHB012
$11.95
Glass hand boiler that demonstrates Charles's Law; that describes how gases tend to expand when heated. A modern statement of Charles's law is: When the pressure on a sample of a dry gas is held constant, the Kelvin temperature and the volume will be in direct proportion. The liquid inside boils from the heat of human touch and expands forcing it upwards...
Teardrop Fitzroy's Storm Glass
Available
Home Decorations & Furnishing

Teardrop Fitzroy's Storm Glass

HJTFSG02
$79.95
The Fitzroy's Storm Glass is an amazing little things and a fancy bit of science that will help you to accurately predict the the weather to come. Popularised by Admiral Robert Fitzroy after his historic voyage on the HMS Beagle, you can now forecast the weather too by observing the appearance of the liquid in the glass. When the temperature and pressure...
Introvert Notebooks – Set Of 3
  • On Sale / -$7.00
Available
Journals

Introvert Notebooks – Set Of 3

WVIN3001
$7.95 $14.95
The perfect notebooks labelled Don’t Look at Me, Private Thoughts and People to Avoid for the introverts. Besides a notebook, these also serves as a reminder for others to leave you alone while you entertain your own thoughts behind your notebooks.  Each 48-page, 14 cm x 8.9 cm ruled paper notebook has tips for introverts on the inside front cover and a...
Mini Desk Blower - World's Smallest Blower - 2
Available
Novelty Gifts

Mini Desk Blower - World's Smallest Blower

MDIMDB012
$19.95
USB-powered mini blower that's perfectly sized to whisk away the crumbs on your desk Ultra useful for cleaning keyboards, monitors, PC fans and in general for all PC components, the original mini USB blow away fan connects directly to any USB drive.  Bright vibrant orange colour with a detachable black nozzle and an extra long 1.5 metre cable and it...
Caffeine Mug - 1
Available
Mug, Flask & Glass

Caffeine Mug

HBCM2001
$14.95
Perk yourself up with a cup of C₈H ₁₀N₄0₂… yes, coffee! This caffeine mug is etched with markings in homage to the wonderful world of science! Size: 11cm x 9cm x 10cm
Harry Potter - Cauldron with Lid & Spoon Soup Mug - 1
Available
Other Giftwares

Harry Potter - Cauldron with Lid & Spoon Soup Mug

ICHPCLSS01
$29.95
Take some time off from classes at Hogwarts School of Witchcraft and Wizardry to brew some coffee or tea. Made to look just like a cauldron from a potions class at Hogwarts, this awesome mug will make you feel like a fantastic witch or wizard every time you take a drink - it even includes a spoon and lid so that you can keep your potion of wakening both...
Mini Galileo Thermometer - 15cm - 1
Available
Novelty Gifts

Mini Galileo Thermometer - 15cm

MDIWSGT12
$14.95
The Galileo Thermometer, invented by Galileo Galilei in the 17th century is a thermometer made of a sealed glass cylinder containing a clear liquid and a series of sealed glass balls with different densities which could rise or fall as the temperature changes. By doing that, the balls form a temperature scale.This mini 15cm scientific marvel Galileo...
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