An appeal to vanity works better than a warning about health- wear your beaver dam sunblock.
http://boingboing.net/2012/06/04/kids-wear-your-sunblock.html
http://boingboing.net/2012/06/04/kids-wear-your-sunblock.html
![[Hearth.com] An appeal to vanity [Hearth.com] An appeal to vanity](https://www.hearth.com/talk/data/attachments/68/68149-bc8e46f1b88b0210c062b82fd2edc09f.jpg?hash=BV5c--zNnB)