- The first stage. Cognitive color and shape. The matching board is equipped with 5 common shapes, 12 colors for visual development, and various colors and shapes for acquaintance matching. - The second stage of numeracy recognition, including 1~10 digits and 1~10 ferrules, the ferrule can recognize the numbers while counting small circles, which can help the baby to recognize numbers and learn arithmetic. - The third stage of game pairing, the gripping action can not only cultivate the ability to do hands-on, but also enhance the hand's agility to help fine movement development, and the finger will be more flexible. - All-round chamfer is smooth and does not hurt the hand, laser cutting, each corner is polished, polished to ensure safe and burr-free pick up one can feel its rounded texture. - Material: Wood