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Recommended for ages 7+ years "with help", and 12+ years "I got this"   

200 pieces, advanced assembly


Build your own BIG hydraulic hand, slip your hand into it like a glove, and operate the mechanical fingers with your own fingers. Assemble the Mega Cyborg™ hand using over 200 plastic pieces, fill the piston tubes with water, and adjust it to fit your own hand. The hydraulic pistons enable the fingers to open and close, and to grip objects with enough force to lift them. The hand can be configured in three ways by changing the position of the thumb: left hand, right hand, and claw-like (with the thumb in the center).

The mechanical hand simulates the movements of the human hand, using hydraulic power for energy transmission without motors or electricity. The hand allows every finger joint to adjust to different angles for precision movement. Challenge yourself to configure the hand to grip various items like bottles, balls, pencils, small items — anything within reach! The cyborg hand is adjustable to fit virtually all hand sizes.

Learn how pneumatic and hydraulic systems are used in industrial robots to enable the robots to manipulate heavy objects, such as automobile components. A 40-page, full-color manual guides you through model building with step-by-step illustrated instructions.


  • A hands-on STEM experiment kit, Mega Cyborg Hand™ provides a fun and engaging introduction to hydraulics, pneumatics, exoskeletons 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!
  • Award winning: ASTRA Best Toys for Kids: Science & Discovery category; The Toy Insider: Top Holiday Toy; and TOTY® (Toy of the Year): S.T.E.A.M.  
  • Contains small parts! Not suitable for children under age 3 years!
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