There is a thrill in constructing a workable race course! 80 piece plastic set includes a vortex, bridges, spiral track, straight and curved rails and spinning wheels to build an exciting double track race course for marbles to careen down! There are enough pieces to build a spectacular structure taller than your kids. The pieces can be combined in an infinite variety of ways for long-lasting appeal. Marbles included, too! Ages 4 and up.
