Move the pencil to draw. Click and hold to not draw. Press space to clear. Click the pencil to begin drawing. Click the up and down arrows to change the pen size, use 1,2,3, and 4 to change the size and color of the pencil. Drag the pencil through the rainbow to change the pen colors. Use the left and right arrows to change the pen color. Click the A key to stop drawing. Press e, c or g for a surprise!
Thanks to michaelgravens