Also on these boards
Scratch Offs - cards, dish soap, metallic acrylic paint. -Cover the fronts of your cards with contact paper. -Mix together a bit of your acrylic paint and the dishwashing soap. I did about two parts paint to one part soap. -Paint the mixture onto your card where you want the scratch off part to be. I found a foam brush gave great coverage and only needed one coat.
Make Your Own Spray Paint (2 parts acrylic paint, 1 part water)
make your own scratch tickets