Skill· 20mo–2.7y· 3 min

Shape Sorter Challenge

Child works through three progressively harder spatial tasks: tracking a hidden object under swapping cups (displaced object permanence), inserting shapes into a board including with the board rotated (spatial problem-solving), and identifying shapes and sizes by pointing. Covers eight cognitive/problem_solving milestones from 21–40mo.

Free to do together whenever you like.

What you'll need

Put two opaque cups and a small toy on a table. Have the shape sorter nearby but out of sight for now. Grab a few objects of different sizes for the last phase.

How it works

The 3-step guide, with what to look for at each step, is for signed-in parents.

What this develops

Visual example

Coming soon
Something wrong or confusing? Tell us