My favorite toy growing up was Polly Pocket. But one gift that I wanted though never received for Christmas was a pair of trampoline moon shoes. You strap them to your feet and they have springs on them and you can just jump around!
In Poland my audience is all women between 18 and 30. At U.S. conventions you have the fantasy and science fiction crowd. At Harvard you have an entirely different audience. It's so schizophrenic.