13.8 x 3.1 x 14.2 inches

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SET INCLUDES: Includes 9 distributor blocks, 2 curve rails, a spiral twist, 4 height adjusters, 4 stabilizer rings, 3 accelerators, 2 hole shutters, 30 marbles, a windmill spinner and a universal clamp. The windmill spinner can be attached to any rail with the enclosed clamp.
ENDLESS POSSIBILITIES: Use the building ideas from the included instructions or your own imagination and engineering vision to build different marble rollercoaster constructions with this Vertigo wooden building set.