Ravensburger Gravitrax Starter Set Marble Run & STEM Toy For Kids Age 8 & Up – Endless Indoor Activity for Families

With the Gravitrax interactive track system and marble run, you can design and build your own race tracks and experiment with gravity, magnetism, and kinetics to propel your ball to the finish. With a variety of tiles, levels, tracks and features, you can control the speed of each ball. The open-ended building concept offers endless possibilities to design a different track every time you play. Add flair and speed to your tracks with expansion sets and action accessories. Gravitrax is a fun STEM toy for boys and girls that comes with over 100 pieces and 18 different construction elements. The gravitrax starter set offers everything you need to begin building your own action-packed track systems. Discover how the laws of physics affect the track your ball takes with curves, crosses, freefalls and even a cannon. Experiment using different heights and angles to control the speed of the ball. The included tasks and construction plans introduce you to the world of gravitrax. Or let your creativity take over and begin constructing your own track designs from scratch.

[GRAVITRAX – STARTER SET] Build action-packed track systems for hours of fascinating fun with the versatile “GraviTrax Starter-Set”! This set includes 122 pieces to help build your Marble run.
[INNOVATIVE] The GraviTrax interactive track system allows you to design and build your own race tracks and experiment with gravity, magnetism, kinetics
[STEM TOY] Boys and girls ages 8 and up can experience educational and science play. The franchise has sold over 15.5 million units worldwide and has ranked as the No.1 marble run system in the U.S., according to the NPD Group.
[COMPATIBLE] Easily extend play time – All sets are compatible and functional with all GraviTrax systems
[GREAT GIFT] GraviTrax is an a ideal holiday and birthday gift for creative, curious kids and adults who love to build.