Hydraulic Gearbot Catapult!
This Hydraulically operated and geared catapult is relatively easy to make, will amaze your friends and launch all sorts fo things in the name of scientific enquiry.
Inspired by the crazy Rube Goldberg machines and neat gear mechanisms first illustrated by Leonardo da Vinci almost 500 years ago.
Now Here!- and it was awarded “2016 Toy of the Year“- for building kits by Creative Child Magazine!
- Ages: 8+