I copied these patterns for the party bags - they turned out so cute, and were a lot easier to make than I expected.
I made these cupcakes (red bird, yellow bird, blue bird) and they turned out sooooooo cute.
I ended up ordering the electronic printable files that this Etsy seller made. I was able to print the Happy Birthday banner and all sorts of personalized printables with John's name and age.
angry birds bowling
angry birds party
angry birds pinata
Angry Birds in the backyard