hold down left click to draw. space change color. up arrow to change brightness. right arrow to change transparency . down arrow to change saturation. erase button to clear. left arrow to change backdrop. you can play a time game if you want when the timer reaches 2 min it plays a bell gong. then see if someone can guess what you drew. if you do not want to play just ignore the bell gong and continue drawing.
this is a better graffiti project if you want to check it out. scratch.mit.edu/projects/1326766/ i want a like and star since this project took a day.