Color scout
Choose a color for the day. Tell your child that her job is to watch and tell you every time you put something of that color in the cart. 2 and up

Basket case
Challenge your child to find another shopping cart with two items that are the same as two already in your cart. 3 and up

Build a word
Have your child try to find all the letters in her name on a package from your cart. If your kid's older, pick a simple sentence ("I love to eat cheese!") and have her search the box for each letter. 4 and up