LEADER JOY Montessori Materials Object Permanence Box for Toddlers (Imbucare Box with Flip Lid - 1 Slot) A rectangular box with 2 compartments and a flip lid with 1 slot. Repetition of the exercise provides the toddler with exploring the use of the hand Hand -eye coordination ,finger and wrist movement as well as the experience of fitting objects into holes The product could use at montessori kindergarten or homeuse for early learning development, or occupational therapy. It brings to the children the expansion of the mental space allows the children to understand the concept of the permanent existence of objects Things that always be seen by the eyes do not mean disappearing The ability to train your baby&#039;s hand-eye coordination by coin-operatingE xercise  the child&#039;s ability to predict, cognitive, and thinking skills, so that  he initially recognized the object&#039;s persistence and stability. Size:12 x 6 x 6 inches Weight: 1.7 pounds Suitable age: 0-3 years old Children  should be used under adult supervision. Do not let your baby put toys  into mouth. Pay attention to hygiene and prevent children from  swallowing. To avoid the risk  of suffocation of infants or children, individual products have plastic  bags. Please disassemble the package and remove or discard the plastic  bags. This product must be  opened for adult use. Do not throw toys at each other.Be careful not to  throw them to yourself or others. Do not expose the toys to rain or  rain.