Solarbotics Solarbotics Marble Machine

The Solarbotics Marble Machine is now battery powered. This kit has splendid electromechanical appeal, delivering 8 steel balls down a laser-cut wood frame. Unlike its solar-powered cousin, it’s ready to run at your command. Battery powered wood marble machine with a gear wheel and a spiral; Easy assembly (no soldering required); Comes with 8 marbles (batteries are not included); Ages: 12+