Put your spatial and logic skills to work puzzling out the exciting challenges in GraviTrax The Game: Impact — fun for marble run pros and newbies alike! With only the start and finish positions given, can you construct a connecting track with all the specified pieces? Build more intricate tracks as you progress through the 30 tasks, solo or with friends. Includes a Hammer accessory (compatible with all GraviTrax sets) for hard-hitting brainteasing tests. Portable fun you can play anywhere! What makes a great toy? GraviTrax The Game checks all the boxes! It challenges children's creativity and imaginations to build increasingly difficult tracks from a known start to a known finish, with only a set of designated pieces to get there! Just like GraviTrax construction sets, GraviTrax The Game uses STEM-friendly concepts while building critical thinking and problem-solving skills. Comes complete with: 1 instruction/solution booklet, 30 task/6 tutorial cards with box, 1 red metal marble, 3 rugged mini card bases, 4 large height tiles, 1 Hammer (easily assembled), 7 curve tiles, 1 X-intersection tile, 7 tracks (2 long, 2 medium, 3 short), 1 launcher, 1 base with landing insert. GraviTrax offers lasting durability for girls and boys ages 8 and up. It's the learning toy children (and savvy adults) return to over and over again.