1. Material: paper, plastic
2. Applicable people: unlimited
3. Ability training: manual brain, grasping, intellectual development, crawling, vision
4. Interest development: senses, emotions, hearing, hand-eye coordination
5. Enhance parent-child communication and strengthen emotional interaction
6. The set contains: 25 base plates, 27 question cards, 1 set of discs
7. Size: 26.5x26.5x6 cm
8. Weight with packaging: 900 grams