Marble runs are a classic, entertaining way to explore mechanics, energy, and movement. MaBoRuns are desktop-sized, motorized runs that are easy to assemble and fun to watch. It’s a unique science toy that you put together yourself with easy to follow instructions. Amazing runs are also interchangeable. Assembled size: 5.5 x 4.25 x 5. Colors will vary.
WARNING CHOKING HAZARD - Small parts. Not for children under 3 yrs.
Batteries Required: 1 "AAA" batteries, not included