Create eye-popping outdoor art with Special Effects Neon Sidewalk Chalk. Ideal for sidewalks and driveways, this chalk gets kids outside for imaginative fun. Children can create attention-grabbing messages and vibrant drawings that seem to glow in the sunshine when used on dark surfaces. They can also use the sidewalk chalk to add a crazy neon twist to traditional chalk games including hopscotch, tic-tac-toe, and four square. This 4.25x4.25x.875 inch package contains five chalk sticks in assorted colors. Non-toxic. Conforms to ASTM D 4236. Recommended for ages 4 and up. Imported.