Boys, like play guns, cars & spiderman so get him something like that & for the little girl, get her a my little pony or fairy dress up costume. - hope this helps :P
Live jasmin search it in google. My mate has used it, it is free and there are people on webcams and you can talk for free butt you can do a private chat unless you have an account which means you would have to have a credit card number and pay.
You have to be 13 for facebook !Hope I helped!