Paint on aluminum foil: add a small amount of dish washing liquid to your paint mix. Not only will that make cleaning up easier but it also helps the paint to stick to the foil better and not flake off when it dries. Art for kids.
Children choose a letter out of a bucket and dab it with a bingo marker. (Different colour for each letter.) Good for letter recognition. Do something similar with numbers 1 through 10 or Can add pictures for sound recognition also