These rooms present their own organizing challenges. Namely: how to deal with a mountain of toys, a surplus of crafts supplies, a steady stream of artwork, and all the homework essentials, plus an ever-changing wardrobe. The room itself needs to evolve over the years, too—something to keep in mind when picking color schemes and furniture pieces. Here are tips for creating inspiring bedrooms and play spaces that are also practical—and tricks for keeping them that way.