Alytimes Children Counting Stick Calculation Math Educational Toy Wooden Number Cards and Counting Rods with Box It is suitable for home preschools and kindergarten.You can teach baby addition, subtraction, division, multiplication. It makes learning fun, enriches the child imagination, stimulates children's logical thinking,improves children hand eye coordination and learning ability. can recognize numbers and understand the relationship between number and quantity with this toy set. Product Size: Approx 23 x 15 x 2.2 cm / 9.06 x 5.90 x 0.87 inch(L x W x T). Material: High quality wood. Paint: Environment-friendly paint. It is suitable for home preschools and kindergarten.You can teach baby addition, subtraction, division, multiplication. It makes learning fun, enriches the child imagination, stimulates children&#039;s logical thinking,improves children hand eye coordination and learning ability. can recognize numbers and understand the relationship between number and quantity with this toy set. Product Size: Approx 23 x 15 x 2.2 cm / 9.06 x 5.90 x 0.87 inch(L x W x T). Material: High quality wood. Paint: Environment-friendly paint. Let the baby know the red, yellow, green and blue four colors; cultivate the concept of the number of babies; and gradually from easy to difficult to arithmetic operations.