For my boys friends that come to the party, I make a batch of dry cookie mix and put it in little plastic tubs that are decorated in the theme of the party. (parenthacks.com)
I remember as kid opening up little plastic cups of chocolate pudding and loving every bite. (foodrenegade.com)
Some of these colorful little plastic tubs hold water on their own; others are just inserts that sit inside your bathtub and support baby's head while you wash her. (parentingsquad.com)