Cubby System
Ikea, $80
The easy-to-assemble Expedit bookcase (shown, left) was turned on its side to create an instant cubby system, perfect for housing the personal belongings of several children in an orderly fashion.
To Buy: www.ikea.com for stores.

Window Shade
Ikea, $20
The Enje roller blind blocks lights and lends a clean, tightly fitted look to the back window.
To Buy: www.ikea.com for locations.