This set of mathematics teaching aids enables the baby to know geometric figures and arithmetic symbols, and improves the baby’s observation ability and hand eye coordination ability. It can effectively improve children’s creativity and analytical ability. features Material: wood. Size: 34.5 x 17 x 5cm. It is made of wood material, durable and practical. Enrich children’s imagination and creativity, and grow up in learning. Let your baby know numbers and understand the relationship between numbers and quantities. It makes learning interesting and enriches children’s imagination. This wooden toy helps teach math skills and color recognition. Tips: Dear buyers, due to lighting effects, display brightness, manual measurement and other reasons, there may be some subtle differences in color and size between photos and actual items. I sincerely hope you can understand