Description
1. Material: ABS
2. Handshake with concave and convex particles, the middle module can be moved
3. 4 O-shaped recessed holes, each with a number of round beads
4. Help your baby exercise his hand, eye and grasp ability
- Randomly scramble the small balls
- Move the middle horizontal axis to replace the required ball in the middle of the O-shaped groove
- Through memory and space imagination, the beads in the grooves are matched at the fastest speed
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