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Expansion set with 180 pieces
Add more fun and functionality to all your favorite fischertechnik obstacle course based sets
Gives free rein to the imagination of young obstacle course engineers
Features many special parts such as 90 Degree curves, cross-overs, catch funnels, short and long flex-rails and more
All sets are fully compatible and easily combined
fischertechnik Dynamic Tuning Set B00TWFTXFW