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Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit | Build Your Own GIANT Hydraulic Amazing Gripping Capabilities Adjustable for Different Sizes Learn Pneumatic Systems

4.5 4.5 out of 5 stars 2,274 ratings

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Size Small
Brand Thames & Kosmos
Theme Robots
Age Range (Description) Big Kid
Item Dimensions LxWxH 10 x 4.75 x 11 inches

About this item

  • Build your own awesome, wearable mechanical hand that you operate with your own fingers.
  • No motors, no batteries — just the power of air pressure, water, and your own hands!
  • Hydraulic pistons enable the mechanical fingers to open and close and grip objects with enough force to lift them. Every finger joint can be adjusted to different angles for precision movement.
  • Three configurations: right hand, left hand, and claw-like; adjustable to fit virtually any human hand.
  • Learn how pneumatic and hydraulic systems are used in industrial robots such as automobile components..2021 The Toy Association's STEAM Toy Of The Year Winner

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Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit | Build Your Own GIANT Hydraulic Amazing Gripping Capabilities Adjustable for Different Sizes Learn Pneumatic Systems


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Product Description

Explore hydraulics, pneumatics, and robotics with your very own GIANT hydraulic hand! Using over 200 plastic pieces and piston tubes that you fill with water, build an awesome mechanical hand that uses hydraulic power to simulate the movements of the human hand no motors or electricity required! Once assembled, your cyborg hand slips onto your own hand like a glove, with mechanical fingers that you operate with your own fingers and that can grip objects with enough force to lift them. Challenge yourself to pick up and hold a variety of items like bottles, pencils, small items anything with reach! The hand can be configured in three ways left hand, right hand, and claw-like, with the thumb in the center and can be adjusted to fit virtually all hand sizes. A 40-page, full-color manual guides model building and experimentation and provides engaging scientific information about how pneumatic and hydraulic systems are used in industrial robots to assist with a variety of tasks in our modern world.

Important information

Safety Information

WARNING. Not suitable for children under 3 years. Choking hazard — small parts may be swallowed or inhaled. Keep packaging and instructions as they contain important information.


From the brand


From the manufacturer

Mega Cyborg Hand

Construct a GIANT, wearable hydraulic hand!

  • A hands-on STEM (Science, Technology, Engineering, and Mathematics) experiment kit, Mega Cyborg Hand provides a fun and engaging introduction to hydraulics, pneumatics, and robotics.
  • Use the 203 pieces to assemble a 16-inch robotic hand that slips onto your own hand like a glove, with mechanical fingers that you operate with your own fingers.
  • During assembly, you'll conduct experiments with different parts of the mechanical hand to learn more about air and water power and hydraulic transmissions.
  • Customizable: adjust for different sized hands and easily re-configure for right- and left-handed users, or to use it like a claw, with the thumb in the center.
  • 52-page, full-color instruction manual provides detailed step-by-step assembly instructions, clear scientific explanations and examples of hydraulic and pneumatic systems in the real world, and a fun comic about the fictional adventures of the Mega Cyborg Hand!
  • No motors, no batteries--just the power of water, air, and your own hands!
  • Two recommended age levels: 7+ with help; 10+ "I got this!"
  • Winner of the 2021 STEAM Toy of the Year Award!

Product Features

hydraulics, pneumatics, infinity gauntlet, cyborg, exoskeleton, diy, build, experiment

cyborg hand, diy, construction, experiment, stem, science, physics, engineering, hydraulics

gripping, hand, infinity gauntlet, hand, experiment, stem, science, hydraulics, pneumatics

Water-powered pistons control each of the fingers, which are articulated in three different points.

Adjustable joints allow for precise control and amazing gripping capabilities.

Challenge yourself to pick up and hold items of different shapes and sizes!

gyrobot, gyroscope, educational toy, learning, experiments, school, teacher, science, stem, physics air-walker, robot, air pressure, suction, toy, educational, stem, science, experiment, building toy cyborg hand, hydraulics, pneumatics, stem, science, experiments, construction kit, infinity gauntlet tumbling hedgehog, robotic pet, robot, toy, stem, science, sound sensor, programming, robotics geckobot, stem, science, air pressure, experiment, physics, educational toy, learning, gecko
The Amazing Tightrope-Walking Gyrobot Air-Walker Mega Cyborg Hand My Robotic Pet - Tumbling Hedgehog Geckobot
Customer Reviews
4.2 out of 5 stars
179
4.0 out of 5 stars
286
4.5 out of 5 stars
2,274
4.0 out of 5 stars
804
4.4 out of 5 stars
660
Age, with help from an adult 6+ 6+ 7+ 7+ 8+
Age, "I got this!" 8+ 8+ 10+ 10+ 10+
Number of Models/Experiments 1 model: Monty the Gyrobot; 8 experiments to conduct with it! Note: Small model adjustments and additional support pieces required for some experiments. Instructions and parts for these additional builds are included. 5 models: Nexo the Air-Walker, Simple Walker, Suction Lifter, Sideways Walker, Crawler 1 model: the Mega Cyborg Hand, with alernate configurations for left- and right-handed users; 4 experiments to conduct with it! 1 model: Nuna the Tumbling Hedgehog 7 models: Geckobot, Industrial arm robot, Suction gun, Smartphone holder, Suction tow truck, Ellipsograph, Inch worm
Number of Pieces 43 75 203 172 176
Experiment Manual 24-page, full-color manual with step-by-step assembly instructions and a fun comic featuring Monty the Gyrobot! 24-page, full-color manual with step-by-step assembly instructions and a fun comic featuring Nexo the Air-Walker! 52-page, full-color manual with step-by-step assembly instructions and a fun comic about the adventures of the Mega Cyborg Hand and the energy crystals! 40-page, full-color manual with step-by-step assembly instructions and a fun comic featuring Nuna the Tumbling Hedgehog! 24-page, full-color manual with step-by-step assembly instructions.
Difficulty Level Beginner Beginner Intermediate Advanced Advanced
Batteries required? Yes: (2) AA (not included) Yes: (2) AA (not included) Batteries not required. Yes: (4) AAA (not included) Yes: (2) AAA (not included)
What can you do with it? Learn about what a gyroscope is, the physics behind its amazing behaviors, and where you can find them in every day life. Test your gyroscope's skills by experimenting to get it to walk on different surfaces. Build a robot that walks up walls! Experiment with the physics of air pressure & suction with all 5 models from the kit! Learn basic info about the field of robotics & how robots are used in everyday life--from medicine to space exploration & more. Build your own giant, wearable, adjustable, hydraulic hand and use it to pick up objects of different shapes and sizes! Learn about exoskeletons, hydraulics, and pneumatics, and how these systems are used to assist with tasks in our modern world. Assemble your own robotic pet hedgehog with sound sensor and LED lights, and program it to scurry around, spin, and roll! Learn about gears and motors as you dive into robotics and engineering with your cute little pet. Build a robot that walks vertically up smooth surfaces! Experiment with suction to learn about air pressure and mechanical physics by building all 7 models in the kit. Discover why real-life geckos can climb smooth surfaces without falling off.
Assembly & Troubleshooting Videos Available Online? Yes! On the Thames & Kosmos YouTube channel Yes! On the Thames & Kosmos YouTube channel Yes! On the Thames & Kosmos YouTube channel Yes! On the Thames & Kosmos YouTube channel Yes! On the Thames & Kosmos YouTube channel
Customer Support & Replacement Parts Available?
thames, kosmos, stem, science, learning, toys, educational, science kits, hands-on, teachers

About Thames & Kosmos

From science experiment kits to board games to craft kits and magic sets, Thames & Kosmos products offer wholesome entertainment and engaging educational experiences for people--and families!--of all ages. T&K STEM (Science, Technology, Engineering & Math) kits cover these scientific areas and more:

  • Physics
  • Chemistry
  • Biology
  • Engineering
  • Robotics & Programming
  • Preschool science and and early learning
  • Alternative energy

What's in the box

  • Plastic building pieces, metal springs, flexible tubing, screws, manual
  • Product guides and documents

    Looking for specific info?

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    2,274 global ratings

    Customers say

    Customers find the toy very fun to play with and build. They also appreciate the value, and detail. However, some customers report missing and hard to find pieces. Opinions are mixed on quality, ease of assembly, and performance.

    AI-generated from the text of customer reviews

    42 customers mention42 positive0 negative

    Customers find the toy very fun to play with, build, and show to people. They say it's fun for a lot of ages and a perfect activity to keep kids busy for hours. Customers also mention that the instructions are not simple.

    "Bionic hand! Must have bionic patience to build with child! Great fun and a great deal. Good exercise in patience and following directions!" Read more

    "STEM at a kid level. What a fun activity! My niece, 8 yo, loved making this and getting it to work!" Read more

    "...This gift has been several hours of fun even months after purchase." Read more

    "Took a minute to build but it’s fantastic and such a great activity for kids...." Read more

    38 customers mention27 positive11 negative

    Customers like the value of the kit. They say it's worth the purchase, the quality is good for the price, and the end product is nice. Some mention that the kit is cheap and provides high entertainment value.

    "...Must have bionic patience to build with child! Great fun and a great deal. Good exercise in patience and following directions!" Read more

    "I think it’s a pretty good value as it kept my 6-year-old occupied for quite a few days to put it together...." Read more

    "...After assembled still does not work as advertised. Waste of money." Read more

    "...for her science project for school a lot of pieces but it was worth all the time." Read more

    25 customers mention25 positive0 negative

    Customers find the toy educational and great for teaching instructions and concepts like hydraulics. They say it's appropriate learning for children, easy to assemble, and cool. Customers also say it will teach kids about how hydraulic systems work. They mention it'll make for a great parent/child project.

    "...which was the best instruction set I’ve ever used - clean / easy to understand drawings)..." Read more

    "...him how it was all put together, but I know that he absolutely loved the water hydraulics and it was really fun for him to put this together, and he..." Read more

    "...She had fun putting it together. It's a great toy to teach kids aboutevhanice and engineering." Read more

    "Great for teaching instructions and concepts like hydraulics. Fun for a lot of ages but instructions are not simple." Read more

    92 customers mention57 positive35 negative

    Customers are mixed about the quality of the toy. Some mention that the finished product is neat, but difficult to handle. They also say it's a really cool item and a lot of fun. However, others say that as you start using it, the pieces come apart and break in a matter of days. They even had one piece with a manufacturing defect that was not fixable and required substantial disassembly to fix.

    "...But overall this is a pretty cool toy and the most important thing is my son loves playing with it! If I had the choice I would give 4.5 stars." Read more

    "...That’s when grandpa helped out. It’s a great STEM project. She took it to school to show here teacher." Read more

    "...but part D18 that connects the thumb to the rest of the hand broke in a matter of days...." Read more

    "...Now, all that said, it seems pretty cool after putting it together...." Read more

    87 customers mention37 positive50 negative

    Customers are mixed about the ease of assembly of the toy. Some mention that the instructions are easy to follow and have a great time assembling it together. They also say that there are a lot of small parts to put together, which they love. However, others say that it's extremely difficult to put it together and the project is going to take hours. The instructions are not simple and some of the small parts are very time consuming.

    "...I ended up buying 2 to gift it to another family. It took us a long time to assemble but overall, we love the product." Read more

    "...Great fun and a great deal. Good exercise in patience and following directions!" Read more

    "...…… but I opened it and immediately gasped….. like it’s a lot to build!..." Read more

    "...We had a great time assembling it together, and our 5-year old discovered that cutting the pieces out is one of his favorite things to do - which is..." Read more

    27 customers mention14 positive13 negative

    Customers are mixed about the performance of the toy. Some mention that it works very well, while others say that it doesn't work like it claimed it would. Some say that the construction is excellent, while other say that they didn't put water inside.

    "...father and 7 year old son made this project together and the result was so impressive!..." Read more

    "...After assembled still does not work as advertised. Waste of money." Read more

    "Works very well! Great gift" Read more

    "...excited to finish it so imagine my disappointment when nothing but the middle finger works. The hydraulics in this set is very very poor...." Read more

    23 customers mention3 positive20 negative

    Customers find the numbering of the toy and game to be confusing and difficult to read. They mention that there are too many missing parts, no extra pieces, and that the pieces are hard to find. Some customers also mention that the product has over 100 pieces and that there is no details on what the missing pieces are.

    "...There are alot of pieces and you better carve out the better part of your day to assemble...." Read more

    "...spent hours putting this together for my nephew only to find a crucial piece missing." Read more

    "The product is nice but its missing hardware and there are no details on what the missing pcs are..." Read more

    "...of the bar they are supposed to be pushed into because it’s too big for each ring...." Read more

    He loves it!
    4 Stars
    He loves it!
    He really loves it. It took me and him two and a half hours to build it. Some of the small parts were very time consuming and he almost lost interest. But when I finished a fingered and let him play with it that helped. He enjoyed the science of how the hydrological work. The manual has some comics in it as well. Fun! I only wish there were some extra foam pads. There is an area at the back of the hand that was bothering his skin but we were able to take some scraps from the foam and cover them.
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    Top reviews from other countries

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    Luciano Arredondo
    5.0 out of 5 stars Buen producto
    Reviewed in Mexico on January 17, 2024
    Amazon Customer
    5.0 out of 5 stars Convient parfaitement pour un enfant de 11 ans
    Reviewed in Canada on January 15, 2024
    GingerteaC
    3.0 out of 5 stars Damaged box and opened seal
    Reviewed in Singapore on December 3, 2022
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    GingerteaC
    3.0 out of 5 stars Damaged box and opened seal
    Reviewed in Singapore on December 3, 2022
    While the parts in the box is all complete, the box is dented and the seal is broken. Meant to be a gift for a little boy. Lesson learnt to buy toys from physical stores in the future
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    Jerry Kopeck
    5.0 out of 5 stars Good
    Reviewed in Canada on November 26, 2023
    Lore
    5.0 out of 5 stars Fue un regalo y le encantó
    Reviewed in Mexico on October 31, 2022
    One person found this helpful
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