1. Material: plastic 2. Fun gameplay promotes thinking and allows babies to exercise their brain power 3. High quality material, smooth and delicate 4. Can be rotated at will, a variety of ways to play 5. Wearable lanyard, more convenient 6. Lightweight and compact, easy to carry around 7. Weight: 19 grams 8. Size: 4.5x4.5 cm How to play: 1. Randomly scramble the middle ball 2. Move the middle horizontal axis to replace the required beads in different O-shaped grooves 3. Match the beads in the 4 grooves at the fastest speed through memory and spatial imagination
1. 材质：塑料 2. 趣味玩法促进思考让宝宝锻炼脑力 3. 优质材质，光滑细腻 4. 可随意旋转，多种玩法 5. 可佩带挂绳，更加便捷 6. 轻便小巧，方便随身携带 7. 重量：19克 8. 尺寸：4.5x4.5厘米 玩法： 1. 将中间圆球随机打乱 2. 移动中间横轴可在不同O型槽中置换需要的珠子 3. 通过记忆和空间想象把4个凹槽内的珠子以快速度匹配
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