Show a small group
Place three familiar objects together and name them. Give your child time to look, then cover the group or ask them to look away for a moment.
Change one thing
Move, hide or replace one object, then invite your child to notice what is different. Let them look back at the first arrangement whenever they need to.
Notice the strategy
Celebrate looking carefully, pointing to a clue or trying again. The useful part is comparing two moments, not remembering everything on the first try.