Use the arrow keys to change pen size, space to change character, 0 to change color, P to make the paddle disappear, C to clear, and enter to start.
simple events, expert physics, input/output, simple drawing, advanced costume handling, pen size, basic math, visibility, direction and turning, pen color, detect conditions, advanced physics, simple loops, simple sound playing, basic physics, advanced motion, conditional wait, program control, simple conditionals, simple costume handling,