Treasure Hunt With Prizes!

Hey! I'm giving away ALL of the plushies in my gallery, and what better way to give them out than to set up a contest! a treasure hunt to be exact!
So: i will give you the first clue, and if you tell me the correct answer: you will be maramailed the next clue! if you complete all 25 levels, you will get a grand prize of........

ANY ITEM FROM MY TRADES OR 25 PLUSHIES!!!!!
BUT for every level you comlete you will be rewarded with a plushie just for completing that level!!!

Clue #1: This is the coolest costume of them all! it's nICE.... which item is it
?

Rules:
1. Maramail ALL anwers. DO NOT post answers on this blog!