Wooden Sensory Toy Montessori Educational Jigsaw Puzzle Sorter Product Description Support your child's natural development with a classic Montessori toy that combines learning with joyful fun. This high-quality wooden puzzle is designed for toddlers from the age of 1. The set consists of a solid base and 16 colorful blocks in 4 different geometric shapes. Each shape corresponds to a different number of holes and pins on the base, which presents an interesting logical challenge for the child.