1. Rounded edges and attention to detail 2. Multiple difficulty progression levels, step by step 3. With teaching mode, solve the problem more easily 4. Powered by three 5 batteries (batteries are not included), 30 minutes without operation automatically shut down 5. Material: ABS 6. Size: 30.2 x 21.2 x 5.5 cm 7. Weight: 0.85 kg
1. 边角圆滑，注重细节 2. 多种难度进阶等级，循序渐进 3. 有教学模式，解题更轻松 4. 使用3节5号电池供电（电池不包含在内），30分钟无操作自动关机 5. 材质：ABS 6. 尺寸：30.2 x 21.2 x 5.5厘米 7. 重量：0.85公斤
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