Johnco Cybot: Hydraulic Cyborg Hand Mechanical Engineering Robotics Building Toy

Build your own Hydraulic Cyborg Hand and experience the fun of a cyborg world  The Hydraulic Cyborg Hand simulates the movements of a human hand using hydraulic power for mechanical transmission without electricity. It allows every finger joint to adjust at different angles for a precisely closed fist or open palm.  You can use different grip techniques to hold a variety of items, such as bottles, balls or tiny screws, making it an interesting and fun challenge.  This fun, wearable device can be used perfectly by either right-handed or left-handed users, due to the innovative, adjustable design. Users can switch the thumb to make it operation-friendly, depending on their preference  You can easily adjust the hand to suit a wide variety of hand sizes (palm and finger lengths) -- your cyborg hand device will fit and work smoothly for both kids and adults. The lightweight, 4-fingered Hydraulic Cyborg Hand is easily manipulated by your fingertips - just push and pull to activate the hydraulic transmission system. Now, put on your Hydraulic Cyborg Hand and try giving a thumbs-up, a wave or shake your hydraulic Cyborg hand to amaze your friends for some fun. Challenge your mighty Hydraulic Cyborg Hand using your imagination  For Ages 10yrs+Pack Dimensions (cm): H: 29 W: 38 L: 8 Build a functional hydraulic handEncourages STEM learningHands-on engineering