10 different colors which you can use to enhance your child’s visual perception, cognitive skills, creativity and imagination. These rich and vibrant colors help them to create outdoor arts on the sidewalks and play sidewalk games like Hopscotch, Tic-Tac-Toe and Four Square. WASHABLE AND NON-TOXIC. Once the activities are finished, you can easily wipe them off with a damp cloth or wash them away with a quick spray of water. Also, the colors are easy to remove from the clothes and 100% kids safe.