I have yet to run a kickstarter campaign myself, but have you tried Crowfunding PR? I imagine your product would appeal more towards kids, so I would get a Facebook page, if you don't have one already, and run Facebook ads through their ad manager. You can target age, interests, and geographic location. I've been told that you need to do a lot of prep work before actually launching. This includes having a good list of bloggers contacted a few weeks before you launch your kickstarter project. Actually, I heard this from the Kickstarter Meet Up Group. You're in San Diego as well, right? You should check it out.
http://www.meetup.com/San-Diego-Kickstarter-Meetup/