Remember that game operation? You could do the drawing of the guy and then different points for different parts of the body.
I also like the name Pup-pee pads.
We don't have a lot of money either, but would definitely invest if you needed some extra cash.
Oh I just thought about B-I-N-G-O! LOL Could do bingo boards and the numbers hmmm.... not sure how to go about calling the numbers - maybe do like 25 random numbers at the top and put three bingo cards across the bottom. That could work.... I like the pin the tail on the donkey too.