Product Information
- EXPERIENCE STEM: Build interactive tracks with the GraviTrax Starter Set, perfect for kids aged 8 and up to learn about gravity, magnetism and kinetics while having endless fun
- CREATIVE BUILDING: With 122 pieces included, this set lets you design and construct your own maze and track systems for your marble run
- WORLD-RENOWNED TOY: Experience the No.1 marble run system in the U.S, as ranked by the NPD Group, with over 15.5 million units sold worldwide
- EXPANDABLE PLAYTIME: Extend the fun with all sets compatible and functional with all GraviTrax systems for limitless track designs
- PERFECT GIFT: Ideal for birthdays and holidays, GraviTrax is a perfect present for creative and curious kids and adults who love building
