1. Material: plastic
2. Ability training: emotional, visual, intellectual development, manual brain, grasping, sensory, hand-eye coordination, other ability training, interactive toys, hearing, etc.
3. Applicable age: 18 months+
4. No sharp edges, protect your baby from being scratched by building blocks
5. The upper and lower covers of the module are seamlessly connected to prevent the magnet from falling off
6. The size of the module is about 6 cm to prevent accidental swallowing
7. Size: about 6 cm (single)
8. Weight: about 20 grams (single)