Back Drop (perfect condition) from Party City with a couple photo props
10 ft. Birthday Banner from Party City (small flaw) DM for details. Also has the different numbers to change the age as well.
About a dozen superhero masks purchased from Amazon
Left over unused Napkins and Cups from Party City
I also have three unused rubber bracelets that didn't get used from Party City (Batman, Superman, and Green Lantern) and Picture under comments.
Also 2 capes that were unused but are unwrapped (yellow and blue) got them from Hobby Lobby. Picture under comments.