This roller coaster theme construction set includes 200 pieces to build and create your own introductory marble and gear run.
Sidewinder includes a hand crank to move the marbles through the spiral lifter to the top of the twisting and turning tracks. Once
built, kids can watch their marbles drop, spin and roll through their own fun and exciting creation. Ages 6+ years.WARNING: CHOKING HAZARD - Small parts and marbles. Not for children under 3 years.