One easy way to do this is to use plastic gallon-sized jugs or two-liter bottles. This is a also a good way to recycle.

You cannot reasonably tell a child he is allowed only one soda a week if you keep two-liter bottles of Coke and Sprite in the refrigerator.

If you decide to re-use storage containers, choose two-liter plastic soft drink bottles - not plastic jugs or cardboard containers that have had milk or fruit juice in them.