Marble Racers are not you average Marble Run. The Marble Racer feature 4 marbles that racing down a single lane track to the bottom. Each marble racer set comes with equalizers (round funnels) where the 4 marbles can crash and bump for position.
The marble racer track is assembled with an unique sloted design. Like any other marble run you can build the marble racer any way you want.
The Marble Racer is a great thinking toy. Children will learn to align pieces correctly for the marble to roll down the run. Marble Runs are educational and fun! A marble run provides hours of quality play time.