Ravensburger Gravitrax Building Expansion Pack

Expand your current GraviTrax  Marble Run set with this superb 25 piece expansion pack. This STEM system [Science, Technology, Engineering and Maths] is an ideal one to teach kids about gravity, magnetism, kinetic energy and fun. The GraviTrax track system can be extended indefinitely with extra track packs and add ons. Each sold separately. This set is suitable for 1+ players, ages 8 years and up. Includes 2x Card Bases, 1x Transparent Level, 8x Large Vertical Tiles, 4x Small Vertical Tiles, 2x 'Y' Bases, 1x 3way Base, 1x Vortex Base, 1x End Target, 4x Bases for inserts, 2x Catcher Inserts, 1x Freefall Insert, 1x 3 Way Starter Base Insert, 1x Target insert.