Creative design, carefully designed 4 O-shaped concave holes, each track has a number of small beads, which can move and rotate by pushing the middle module.
4 O-shaped grooves, rotating on both sides, disrupt the beads of different colors, and then restore the same color beads on an O-shaped groove.
Material: Food grade ABS
Size: 10 * 11cm
Color: cyan, red, Indigo
Handling time>>Ship within 48 hours after payment
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