1. Material: ABS 2. Diameter: 6.6 x 6.6 cm 3. Weight: about 23.4g/piece 4. Suitable age: both adults and children 5. Function: fun, stress relief, inspire intelligence 6. Luminous power supply: built-in button battery
1. 材质:ABS 2. 直径:6.6 x 6.6厘米 3. 重量:约23.4克/个 4. 适合年龄:成人儿童皆可 5. 作用:趣味,减压,启发智力 6. 发光款电源:内置纽扣电池
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