To move your pen, use arrow keys. To change colors, push r for red, o for orange, yellow for y, g for green, b for blue, i for indigo, and v for violet. To erase all, click space. If you want to draw in the air, click here! https://scratch.mit.edu/projects/1324607219/
There is a better edition out now where you can make curves! Go to https://scratch.mit.edu/projects/1279865195/ if you want to check it out! But for perfectly straight lines, this is the better choice.
