Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit $15.50

Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit for $15.49. Shipping is free w/ Prime or on $35+. 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.