1. Material: ABS 2. Handshake on both sides 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 5. Size: 10x11 cm 6. Weight: 124 grams
How to play: 1. Randomly scramble the small balls 2. Move the middle horizontal axis to replace the required ball in the middle of the O-shaped groove 3. Through memory and space imagination, the beads in the 4 grooves are matched at the fastest speed
