Colored Chalks

There is no doubt that these colored chalks has reminded you about childhood, when you were drawing some pictures on the road. But interesting fact, white chalk sticks are made mainly from calcium carbonate derived from mineral chalk rock or limestone, while colored or pastel chalks are made from calcium sulfate in its dihydrate form, derived from gypsum. With Colored Chalks cursor, you can go back to your childhood for a while.