NBA Top Shot is less of a game and more of a speculative marketplace wrapped in a slick NBA jersey. While it's a legitimate platform backed by the league, the core loop is about buying low and selling high. For a kid, that's a fast track to learning about market volatility the hard way.

If your teen is a hoop-head who understands that the money they put in might never come back, it's a fascinating look at the future of fandom. But for most families, this is a 'look but don't touch' situation until they're old enough to manage their own brokerage account.