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