Feature:1. Learn how to write numbers and How to write numbers in English, to understand the relationship between the size of numbers through the length of color sticks2. Do simple addition and subtraction, understand the basic rules.3. Wood material manufacturing ensuring durable and safety for children play.4. Special designed for children above 3 years old to play, wonderful gift.5. Finely polished surface without burrs makes it safety for children to play.Specification:Condition: 100% Brand NewItem Type: Mathematics ToyMaterial: Wood Suitable Age: Above 3 Years Old Package List:19 x Colorful Number Rods 1 x Wooden Box