Material:The math counting box is made of high-quality wood , durable and light. Water paint surface, safe for the kids and easy to clean. Function: 1.Designed for children ages 3 and up, this set offers the opportunity for kids to practice their fine motor skills and experiment with the rules of math.DIY creates excellent hands-on skills. 2.The colorful number toys are suitable for mother to train kids to regonize primary numbers and tell from odd numbers and even numbers basically. 3.The light,detachable blocks fits for the little hands to grasp and hold.Easy to carry,they can play anywhere as indoors and outdoors. 4.The counting math box makes mother easily arise the kid’s intellectual curiosity and educate the kids about math knowledge interestly ,cultivating the habit of thinking. Package Include:1 * Wooden Math Box with 2 sets of numbers from 0 to 9 and 1 suit of math signs. Noted: Recommend for age 3 years and up. Always use the product under the supervision of adults.