Build this cyborg hand from kit form • Contains 203 easy-to-assemble pieces • No motor, no battery – just powered by hydraulics • Excellent STEM learning for ages 10+ Splash into the world of robotics with this hydraulic cyborg hand, which is powered by water alone – no need for a motor or batteries! Suitable for ages 10 and older, it comes in kit form, so it’s loads of fun to build and it’s a great way to teach kids about clean energy and engineering. Ticking the boxes for both entertainment and education, it’s a fantastic STEM toy.