Meet Gabriela and Nicole Unguez. Last winter their tiny bedroom was such a wreck--toys and books blanketing the floor, clothes spilling out of the closet--that their mother Rebecca laughingly entered the twins in a contest for "America's Messiest Kid's Room." To her great shame, they won.
These days, though, Rebecca Unguez couldn't be prouder. With the help of prizes including new bunk beds and side-by-side desks, plus the services of a professional organizer, her five-year-old daughters have cleaned up their act--and not a moment too soon. They start kindergarten in a couple of weeks, and Rebecca, a former preschool teacher, is...