Mega Cyborg Hand Thames & Kosmos $39.99 Default - $39.99 Quantity This product is currently sold out. Build your own mechanical hand, slip it on like a glove, and get a grip, without motors or electricity. It uses hydraulic power to simulate the movement of a human hand, and is adjustable for any hand size! A 40-page full-color manual is included. For ages 8 yrs-teen