These Musical Wine Glasses mark the level to which they would have to be filled to play the corresponding musical notation when a fingers is spun around its rim. They only come in sets of two, but there's plenty of great songs you can play that only use two notes, right?
Look! It's your childhood! And for Americans who thought they were the only ones who remember this '90s television entertainment touchstone, Will Smith's recent appearance on the Graham Norton Show proves them wrong.