When you look for Montessori materials for infants and Toddlers , the most well known are the Object permanence Boxes and Imbucare Boxes. But what is it and what does it refer to?  The object permanence boxes – whether it is wooden or an empty tissue box – is referred to as “imbucare” which is Italian for “post”, as in post a letter in a mailbox. When you put something INSIDE of something (ball in box, shell in drawer), that is imbucare. Any activity where the child uses his hands to put something ONTO something (“infilare”) or INTO something (“imbucare”), it aids in the development of the hand which ultimately aids in the development of the brain and the flourish of neural connections. Posting objects into boxes is a natural inclination for young children. This activity gives the child practice with hand-eye co-ordination as the soft ball is pushed through the hole. The shape is then retrieved from the front of the box in the drawer to repeat the activity over and over. The Skill involved in these activities is the Object …