The Techno Gears Marble Mania Slingshot is a roller coaster themed construction set that includes more than 80+ translucent pieces to build and create your own introductory marble and gear run. This striking, colorful structure includes a marble launcher and loop to move the marbles to the top of the twisting and turning tracks. Once built, kids can watch their marbles drop, spin and roll through their own remarkable creation. This product aligns with and supports STEM (Science, Technology, Engineering and Math) standards and boosts confidence in the little ones who accept the rewarding challenge to build it! For Ages: 6+WARNING: Choking Hazard; Small Parts. Not for children under 3 years old.