Academy Leonardo da Vinci Machine Series - Rolling Ball Timer Building Bricks Measures approximately 70 x 50

Measures approximately 70 x 50 cm (27 x 19

trickle down a counterweighted cascade

HSGWA-64121

Hook two wires to your track and plug in the cab

Academy Leonardo da Vinci Machine Series - Rolling Ball Timer Building Bricks Measures approximately 70 x 50Academy Leonardo da Vinci Machine Series Rolling Ball Timer ACA18174 Leonardo da Vinci was an Italian scientist and artist, born during the Renaissance era and widely regarded as the most talented industrial inventor and designer, including many aspects of modern science and technology. This kit is based on a sketch of an escapement mechanism drawn by Leonardo da Vinci. It uses the laws of motion, as well as the concepts of gravity and kinetics to