Play & Development

Object Permanence Box

Montessori box where a ball drops in and rolls back out.

Priority
Nice to have
Ages
6-18 months
Category
Play & Development

When you need it

An object permanence box suits babies from about 6 months, when they begin to understand that things still exist even when they can't see them. It's most engaging between roughly 8 and 14 months, and by 18 months many kids find it too easy and move on.

What to look for

Look for solid wood with smooth edges and a non-toxic finish. The ball should be large enough to be safe for mouthing, and the tray should be deep enough that the ball reliably rolls back out. A compact footprint makes it easy to store. Some boxes include a drawer or a second ball, which adds a little variety.

Object Permanence Box: common questions

Do I need an object permanence box?
It's a nice extra, not a need. You can play peek-a-boo with a toy under a cloth or make a simple version with a box and a ball. If you enjoy Montessori-style toys, though, it's a well-loved one.
When does a baby need an object permanence box?
From around 6 months, when babies start tracking hidden objects, to about 18 months.

Ages

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