Samples of chalk finish paint in cups. Lowe's recipe calls for flat paint but I use either eggshell or semi-gloss or even satin sometimes (for a smooth but not so shiny finish - the plaster of paris will dull the shine a little bit).
29 Of The BEST Crafts & Activities For Kids (Parents love these, too!) Painted Rocks -- 29 creative crafts for kids that adults will actually enjoy doing, too! Need fantastic tips and hints regarding arts and crafts?