DescriptionThe math teaching aids are made of material for safe and durable use. Children's teaching aids, developing intelligence and expanding thinking, also can be used as toy. Smooth surface, no need to worry about scraping your lovely baby's delicate hand.Features- Color: Colorful. - Material: Timber + paper + plastic. - Size: 24.60x21.10x3.80cm/9.67x8.29x1.49 inch. - The math teaching aids are made of material for safe and durable use. - Children's teaching aids, developing intelligence and expanding thinking, also can be used as toy. - Smooth surface, no need to worry about scraping your lovely baby's delicate hand. - Also can be a good gift choice for your children, they will like these educational toys very much. - Simple but fun, help to stimulate your baby's talent and exercise hand-eye coordination.