You could always change it to a different PG rated device for demo purposes maybe?
I'm not part of the team but I think there is a lot of appeal for programmable smart watches for schools so your concerns may be valid.
@HughB started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
You could always change it to a different PG rated device for demo purposes maybe?
I'm not part of the team but I think there is a lot of appeal for programmable smart watches for schools so your concerns may be valid.