Color-Reveal Pad: First carefully trace away the outlines of the vehicles by scratching along the provided lines. Next you scratch away the coating any way you like to produce a pattern or design to fit the picture. Try adding stripes to a car and making the road look like gravel. The colors revealed and the texture added makes each picture an original! Some other possible effects to try are shown on each picture. 12 pictures in the pad. Easy to store stylus included.