SAFE MATERIAL: The counting game is made of natural wood, which is environmental, safe and healthy, is not toxic, tasteless, with a clear and beautiful texture, and the edge of the blocks is soft and does not hurt your hands. Content From the package: This wooden toy game contains 24 blocks of parts, 48 ​​sticks to count and 1 wooden box. The number 0-8 has 2 blocks: 9, +, -, x, ÷ each has 1 block. The sticks to count come in 4 different colors, each of which is 12 pieces. Preschool Education: the colorful sticks help their children to know the different colors and to improve the children's thinking ability. It can effectively help them know the simple mathematical numbers and manipulators.