Hey look! The middle thing opens! You can go watch a stampin' up youtube video on how to make one: http://www.youtube.com/watch?v=YtVIoK3b0_o

I got the birthday cake image from Stampin' Up's birthday bliss stamp set. 

Here's the link: http://www.youtube.com/watch?v=JjW5F9guPtI For the gel, I used 'Cool Aloe I.C.E. with Lidocaine', its a burn relief gel, but you can just use hair gel. 

I actually got the designs for this card from Stampers Pad (I drew them). So here's the link: http://www.stamperspad.com/home/2008/05/gel-cards.html She uses the stamps from 'Crab & Company' by Stampin' Up.