This Montessori math toy is designed to grow with your child. This beginning math toy set is not just a number puzzle for counting and number recognition for toddlers, but a more advanced kindergarten math material that teaches basic arithmetic to 4 and 6 year olds. Master Number Sense: Learn counting, addition, subtraction, and place value. The number peg board set helps develop one-on-one correspondence between the written number and its value. Children learn how to count as they place each peg into the hole. They then have the opportunity to match, re-order, and test themselves. Multi-Age Learning: Toddlers learn counting from this number puzzle while preschoolers and kindergarteners explore how to add and subtract up to number 20. This toy is inspired by Montessori practices, combining