[header] How to make chalkboard paint [title] Choose a flat, smooth surface to turn into a chalkboard. [step] Flat objects, such as wooden plaques, work the best. You can also paint curved surfaces, such as terra cotta flower pots. 
If you want to make a magnetic chalkboard, try a sheet of galvanized steel, but make sure that it is magnetic first. Avoid surfaces with lots of carved details, as they will be difficult to write on later.