[Packing quantity] color boxed 120PCS blister packaging 150PCS product description: Red, yellow, green and blue colored wooden sticks can cause interest in the number of children and arithmetic. You can use the corresponding digital blocks and add, subtract, multiply and remove the blocks to help the treasure. Treasures engage in fun arithmetic, making abstract operations visual and interesting. Game method: 1. Take out some 4 color mixed wooden sticks, let the baby pick them out according to the color, and then count the number of wooden sticks of various colors; Use the digital stick to teach your baby's arithmetic, such as: take out two green wooden sticks, and then take out three yellow wooden sticks, let the baby count a few And keep reading 2+3=5 to the baby. 3, take out the corresponding digital block and add, subtract, multiply and divide the operation symbol block, and use the digital stick