Can't find crayons, can't find paper, so the next step is going to Scratch.mit.edu. in this, just click a color and hold down the click to draw. The circle around your crayon shows you how big your crayon is. i If you make a mistke, click the eraser and erase what you need to, or click clear to start over. Click the + and - buttons to chagr y our size. to change size. Mouse over the question mark to see what buttons do what.You can adjust the shade with the slider on the left to get virtually any color. Click the gray buttons in the bottom-left to draw perfect sqares and lines.click the "backrounnd" button to set the backround color to what color you're drawing with.or you can click the "coloring book" tab to just color in pictures. *you can't set the backround color to rainbow. THE SQUARE AND LINE WORKS YOU JUST CLICK IN TWO PLACES!!!!!!!!!!!!