Gravitrax Extension Balls Spinner Marble Run

Boost your Gravitrax experience with the Ravensburger Gravitrax Balls & Spinner Accessory. Specifically designed for marble racing enthusiasts, this innovative accessory allows you to start up to six marbles at once, adding an exciting twist to your races. But there's more to it than just fun; it's a STEM educational tool that helps children aged eight and up understand concepts like gravity, magnetism, and kinetics in a hands-on, interactive way. And with full compatibility with all Gravitrax systems, you can easily extend your playtime and create even more thrilling tracks. Proudly standing as the No.1 marble run system in the U.S., Gravitrax has sold over 15.5 million units worldwide, making it a trusted choice for creative and curious minds. Whether you're looking for an engaging way to encourage learning, a fun new game to play, or a unique gift for the builder in your life, the Ravensburger Gravitrax Balls & Spinner Accessory is a perfect choice.