GBC MiniLoop 03 module from Josh DaVid is a simple catapult powered by rubber bands. A rotating cam, driven by motor or hand crank, slowly creates tension in the rubber […]
Read more– Build the best Lego(R) Great Ball Contraptions and Lego Automaton
GBC MiniLoop 03 module from Josh DaVid is a simple catapult powered by rubber bands. A rotating cam, driven by motor or hand crank, slowly creates tension in the rubber […]
Read more