The Libo Set of 3 Nesting Trays is the perfect Montessori teaching aid. It includes one large, medium, and small tray made of child-safe materials for safe exploration and play. They are constructed with high quality workmanship, boasting smooth edges and a fine finish for optimal safety and comfort when used with small children. The stackable design allows children to practice measuring and sorting, while the wide range of uses encourages open-ended discovery. Whether it’s a sorting game or use in a Montessori classroom, this set of nesting trays is ideal for any activity or lesson plan involving infants and toddlers. With its durable construction, high quality materials, fine finish, and convenient stack ability feature—this nesting tray set from Libo is sure to become a beloved accessory in your Montessori environment.