I normally look for event ideas which are unusual and out of the box. I learned that Youtube is a good source of these tips. All you need to do is head to Youtube and perform a search for "birthday party suggestions" and you are going to see hours and hours worth of videos with a large number of fabulous tips. The problem is, who exactly has enough time to watch them all? Thus I am on a constant mission to collect some details so as to save me and perhaps others some time.
Here is a great video with some insane party ideas - https://www.youtube.com/watch?v=wUlJSgYGmFw
Hope you find some great tips for your upcoming gathering on Youtube!