Sidewalk Chalk Set Traffic. Create your own world on the sidewalk with colorful chalk. You can draw the streets in your city however you like. Bring the city to life by setting up the right traffic signs and cones. Are there construction sites? No problem, grab some chalk and draw a new route. Stop at the stop signs and wait for people to cross the crosswalk. Do you know all the traffic signs? Contents: 6 chalks in different colors, 15 traffic signs, cones and barriers, 1 car.