1. Material: ABS
2. No need to use batteries
3. Smooth surface does not hurt your hands
4. Applicable age: infants (0-3 years old)
5. Original drainage system, refuses to breed bacteria
6. Just twist a few turns clockwise, no battery and full power
7. Ability training: vision, hands-on brain, grasping, sensory, hand-eye coordination
8. Unit weight: 0.1kg
9. Size: lazy bear 14x8x6.5cm, lizard 14x10x4.5cm