1. Material: wood 2. Applicable age: 36 months + 3. Math enlightenment, compare the size of the number of simple arithmetic operations 4. Classification, logic training, exercise childrens hand-eye coordination and logical thinking ability 5. 15 double-sided playing cards, rich play, open the mind, cultivate the creativity of the baby thinking 6. Aesthetic color matching, cultivate color perception, contrasting colors, stimulate the baby visual development 7. Color classification play, observe things - extract common attributes - hands-on, exercise the ability of children to explore the rules of things 8. Weight: about 530g 9. Package size: about 23.5 x 5.7 x 16.5cm
