Miranda, Katharine and Audrey help Peter clean the playroom.

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Tip 4: Make cleanup fun.

Even though Miranda, Katharine and Audrey are young, Peter says they can learn to pick up after themselves. All it takes is a little creativity.

Peter makes cleaning fun by turning it into a game. Each girl is given a type of thing—clothes, toys or books—to be responsible for. At the count of three, the girls scramble to fill bins with their items.