after traveling to three home depots i finally found this pink carpet padding in stock, and it was only about 4 bucks. so i grabbed it and purchased some washers too for a grand total of 6 dollars and some change.
so basically i cut the pad into a square, and used a cut-up dishwashing sponge to stamp on black acryillic paint. and then i painted half of my washers black to differentiate the two sides.
the finished product
hey, my cat seems to like it!