8851285170146
Place each ball one after the other onto the spiral valley and watch those balls travel thru sliders, the bends and relay into different directions. Help understand the cause and effect relationship.
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Dimensions: L:34cm x W:111.5cm x H:50cm
Place each ball one after the other onto the spiral valley and watch those balls travel thru sliders, the bends and relay into different directions. Help understand the cause and effect relationship.