Expand and boost your GraviTrax marble runs with these additional blocks and rails. This expansion set is played with at least one Starter Set and can then be combined with all GraviTrax products.
Content/Presentation
44 elements: 16 thick building blocks, 8 thin building blocks, 7 turns, 1 intersection, 1 long rail, 2 medium rails, 3 short rails, 6 marbles |