1. Material: wood 2. Size: 33x6x7cm 3. Features: simple gameplay, logical thinking, practical ability, number recognition, roundness without hurting hands 4. Applicable age: 36 months and above 5. Ability training: intellectual development, hands-on brain, hand-eye coordination, interactive toys, parent-child communication 6. Maintenance instructions: do not wash with water, wipe with a cloth, and avoid exposure to the sun
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