Product Name: Counting BarProduct Material: WoodProduct size: 23.3*14.8*1.6cmProduct weight: 300 gProduct packaging: cartonGame method:1. Take 4-color wooden tops and let your baby separate them by colorChoose them and count them. How much red, how much yellow, etc.2. Teaching your baby arithmetic using a number bar, for example: pull out two green barsThen take 3 yellow sticks and ask the baby to count the total number of sticks Baby reading 2 + 3 = 5.3. Pull out the matching number block and addition, subtraction, multiplication and division symbol blockThis stick helps your baby learn to write numbers and symbols as soon as possible. Educational purpose: to introduce the baby to four colors: Red, yellow, green and blue; The concept of development of the number of babiesB) the question; And the arithmetic operation from easy to difficult is performed step by step.