1. Material: paper 2. Capacity building: visual 3. Applicable age: infants and toddlers (0-3 years old) 4. Thickened cardboard, light opaque, double-sided matte film, strong light does not reflect, tear-resistant, bite-resistant, rounded corners processing, does not hurt the hand 5. Visual stimulation early education card, eye protection, non-reflective, helps babys color discrimination, cognitive development, parent-child interaction, stimulate the babys visual development and brain development 6. Black and white to color progression, help visual development, the use of black and white cards and color cards to stimulate the babys visual development, to assist in the initiation of the ability to perceive color and geometric shape cognition 7. Enhance the sense of three-dimensional space, improve the babys cognitive ability of things 8. Quantity: 20 cards/book 9. Size: about 14.3 x 14.3 x 1.2 cm
