4M Kidzlabs/Electric Marble Run
Build this motorised marble run and learn some basic laws of motion.
includes
- Base, spiral track, back plate, turning wheel, front plate, motor, track connector, motor cover, track lock, battery cover, large gear, drive gear, small gear, metal balls x 8, terminal caps x 2, screws x 5. Also required but not included in the kit: 1 x 1.5V AAA battery, a small crosshead screwdriver.
Item# 104957