Measure each child's height on a large piece of paper. Graph the children from smallest to largest and then talk to them about heighth and who is the biggest, shortest, etc To show big and little give your children Petridge Farms Goldfish Crackers (both the big ones and the little ones) for snack. Then ask them if they like the big ones are little ones better. Graph the results. Everything Preschool >> Themes  >> Big and Little >> More