Any of the L-series is a good starter camera for young photographers. After years of my daughter wanting one of her own, she was old enough and mature enough to get an L-22 for the Holidays.
Things that are good about the L-series. Some of them are cheap enough that you could buy two. They have enough modes (mostly Scene-based) to make it interesting and flexible for a young person experimenting with photo-taking, but convenient enough that they can press the shutter and get good results without too much forethought or learning. (We all know how much kids like to read manuals - the instant-instant gratification generation as I like to tease them).
Not-so-good things: Well, they're not so good for hobbyists or purists, but L-series and even the S-series have the typical P&S characteristics - shutter-lag, not-so-great IQ at higher ISO settings, not a deep control set.
Overall, it's not a bad camera for them to start with. What will be the challenge is to teach them a workflow - download & process. They will fill up the card(s), not cull for the keepers, then complain when they're out of space at a critical moment.