Great for kids knowing early the concept of addition and subtraction, and learning some simple addition and subtraction operations, improving children's interest in math.
- Use this calculation board as an exercise to promote calculations and introduce mental arithmetic.
- Help children understand the combination of numbers and their results more clearly.
- For a number of +1 digits, there is a clearer understanding of the number of answers within 1-18.
- Small parts, not suitable for children under 3 years old.
Warning: Don't eat
Age Range: > 3 years old
Approved ASTM and CE testing. Made of 100% Real Wood, Non-Toxic, Environment-friendly, Safe for Kids. Meets all specifications of European (EN-71) and American (ASTM) Toy Safety Standards.