You can scratch many designs into a black back round but it will be colorful. Follow these ease steps to do it yourself!!! (Mine was not the best but u can always make yours neater!!!)
Step 1: Step 1
First (with crayons) you will put as many colors you want your design to be.
Step 2: Step 2
Color over with black.
Step 3: Step 3
Draw your design in pencil over black.