A big head Phineas mask for Halloween 2013.
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Phineas and Ferb Wiki:Newsletter submissions/Again, Not Much in the Halloween Costume Category in 2013
We are so psyched for this All Hallows Eve this year. New Halloween episodes, check. And what...
(subscribe) The Official Phineas and Ferb Wiki Newsletter, Issue 101: October...
This looks like all of 2013's Halloween costume merchandise... Big head masks for about $30...