We also have a fascinating legal relic called the "Skill Testing Question" which allows for games like Roll Up the Rim or guess-the-jelly-bean-jar to exist with

We also have a fascinating legal relic called the "Skill Testing Question" which allows for games like Roll Up the Rim or guess-the-jelly-bean-jar to exist without being subject to our otherwise very restrictive gambling laws. I'm not sure how it was decided, but the "skill" being tested is usually order of operations. https://en.wikipedia.org/wiki/Skill_testing_question https://en.wikipedia.org/wiki/Skill_testing_question What's funny is that the law doesn't say if you're allowed help, or if you need to answer correctly on your first try, simply that they wrote the correct answer on a receipt which the merchant is supposed to keep. When I worked at McDonalds and it was busy, we were encouraged to just tell people the answer so they could redeem their free muffin and keep the line moving.