I’m helping to put on Toymageddon - Toy Hacking Night this coming Wed, June 26th, at 7:30 pm, at the Vancouver Hack Space.
Check out my Evil Zhu Zhu Hamster. I yanked out its cold black eyes and added two blue 3 mm LEDs. Although a wee bit fiddly, this would be fun to do with kids who have progressed beyond the basics of soldering. Here’s more info on the hack.