I like it. Your set up reminds me of an old board game called Stratego. Maybe you can have your dimes face off against your wheat cents. https://www.google.com/search?q=str...66#imgrc=ORQ4B97y0hYM9M&imgdii=cjzqPoYQBSQaNM
I was looking on ebay for something and ran into a dealer who was selling used airtights for like $2 for a bag of 20 assorted.