Josh DaVid’s Train Type 4 GBC module is a train that transports balls using a back and forth motion. It is loaded with a spinning disk lift and uses two […]
Read more– Build the best Lego(R) Great Ball Contraptions and Lego Automaton
Josh DaVid’s Train Type 4 GBC module is a train that transports balls using a back and forth motion. It is loaded with a spinning disk lift and uses two […]
Read more