Easy 2-Ingredient paint for use sidewalks and creative play. TIP: Use just 1 drop of food coloring. If you over-do the food coloring you could possible stain surfaces. A small amount will simply wash off with water!
Liquid Food Coloring
Mix equal parts cornstarch and water and whisk smooth. Divide mixture into cups or a muffin tin. Use a small drop of food coloring to color the individual containers and then use paint brushes, sponges, or foam brushes to paint onto sidewalks.