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$15.99
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Watch your marbles defy expectations with the Gecko Run Spinners Expansion Pack! These dynamic wheels spin independently or work together to create unpredictable marble paths. The direction and speed depend entirely on how fast your marbles roll—faster speeds might send them spinning right, while slower rolls could reverse the direction. Mix and match the spinners to design custom courses that surprise and delight. Perfect for expanding your marble run and discovering new physics-defying combinations! From Thames & Kosmos, for ages 8 and up Product Details Ages: 8+ Experiments: 2 Piece Count: 13 Manual Pages: 4 Product Dimensions: 4.8 x 11.2 x 2 in. Product Weight: 0.3 lbs Manual Dimensions: 4.5 x 6.5 in. Batteries Required: N/A Country of Origin: Germany Year Released: 2025
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