Be the envy of the playground with these handmade chalk gemstones. Create sidewalk art, practice your letters or play a game of hopscotch with these colorful gem shaped chalks. Larger sized chalk is easier for little ones to handle, they will be making masterpieces in no time. Each set includes 12 gemstone chalks, 2 each of pink, orange, yellow, green, blue and purple. Each gemstone is approximately 1.5-2 inches in diameter & 1-1.5 inches thick. Handmade in Philadelphia, suitable for ages 3 and up.