Not the most scalable and requires the person to trust you (Uncle Jim), but if you have your own LNbits instance, you can easily create new accounts there for them and set them up with a Lightning wal...
I’m exploring this as a solution for paying my kids sats for allowance and chores. It works great for kids without phones. Also you can use LNURLs printed on the fridge to send quick sats to each kid.
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