Get your puzzle-solving juices percolating with progressively problematic challenges in “GraviTrax The Game: Flow”!

Put your spatial and logic skills to work puzzling out the exciting challenges in “GraviTrax The Game: Flow” — 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 dual FlexTubes (compatible with all GraviTrax sets) to test your brainteaser muscles. Portable fun you can play anywhere!