Lego Batman 2: DC Super Heroes Easter Egg - Reference to Batman Characters

Note: You must be able to freely go into the carnival without triggering cutscenes.
1.Go to either the "Bat in a Bucket" or "Hook a Duck" game.
2.Instead of having fun with your chosen game, jump behind the counter.
3.Look on the shelves. Not only is there a sign saying "Gift = Studs"[which is true],but also toys resembling Batman, Killer Croc, etc.