Follow us for more! ✅ An object permanence box is a classic Montessori material that is introduced to infants once they can sit up independently, at approximately 8–12 months of age. ✅ This material aids in the child’s development of object permanence, while also honing their hand-eye coordination, fine motor skills, focus, and concentration. ✅ To do this you only need 1 box and balls. • ✅ You can put the box in top of a tray or cooking sheet to keep the balls close. • ✅Perfect…