Description: 【Interactive Learning Tool】: This hedgehog themed educational toy is designed to make learning basic addition and subtraction fun and engaging for first graders and kindergarteners 【Skill Development】: The math enlightenment tool that helps improve children's cognitive skills. It encourages them to carefully observe the game board and match the number of wooden pegs with corresponding numbers, fostering thinking and problem-solving abilities 【Comprehensive Set】: The package includes a hedgehog game board, 30 operation cards, 20 small pegs, and 13 number and operation symbols (1-10) 【Material】: Made from wood, this educational tool is sturdy for children to use while ensuring longevity through countless play sessions 【Ideal For Kids】The Math learning aids is ideal for children who are in kindergarten, preschool or who are just getting started with number counting Size Chart: hedgehog board : 18.8 x 11.5 cm/7.40inchx4.53inch card : 5.5 x 9 cm/2.17inchx3.54inch number width : 3.3 cm/1.30inch Package Includes: 1 hedgehog board,  30 cards, 20 Small cylinders, 13  1-10 and operation symbols Note: 1. This is not infant toy , please take away from kids to avoid eating. 2. Please allow slightly error due to manual measurement. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 4. Wish you a wonderful shopping!