Description
Hydraulic Gearbot is a hydraulically operated and geared catapult is relatively easy to make, will amaze your friends, and launch all sorts of things all in the name of scientific enquiry. There is information about the different gears at the end! It was awarded 2016 Toy of the Year– for building kits by Creative Child Magazine!
Hydraulic Gearbot from Science and Nature on Vimeo.
