This Wooden Number Chart 0-20 Board Puzzle Educational Learning Toy is perfect for children aged 3 months and up. The puzzle is designed to help children learn numbers from 0 to 20 in a fun and interactive way. The wooden board is durable and easy to handle, making it perfect for little hands. The puzzle is also educational, helping children to develop their problem-solving skills and hand-eye coordination. This toy is a great addition to any child's toy collection and is sure to provide hours of fun and learning.