This Hydraulic Cyborg Hand proves educational toys can be fun!Perfect for kids aged 10+, this hydraulic cyborg hand is a STEM approved build-it-yourself kit with 203 pieces to keep you and your family entertained.The hand features no motor or battery, but uses a hydraulic water system to power the wearable hand - providing you with 8 adjustment modules dynamically move liquid between one another, using the pressure changes to mimic muscle movements of the human hand.. 1 x Construct and Create Hydraulic Cyborg Hand. Build it yourself. STEM educational. 203 pieces. No motor or battery. Features 8 different adjustments. Mimics the human hand. Water powered. Suitable for age 10+