Big Boy Room: Chalkboard

Martha Stewart makes the common chalkboard A Good Thing with a little (unsanded) tile grout.

Shopping List:
flat-finish latex paint
1 cup of paint into a container
2 tablespoons of unsanded tile grout
a paint stirrer
a roller or a sponge paintbrush
150-grit sandpaper
a piece of chalk
a barely damp sponge