Put the different clothes on the mannequins to win the golden crown.

Set 1: Hat, Shirt, Shorts
Set 2: Baseball Cap, Pants, Tie
Set 3: Helmet, Pajamas, Shoe

Scribblenauts Remix 2-9 Cheats Hints gallery:
2-9-1-a: Fully-clothe the mannequin!
2-9-1-b: Give the mannequin three items of clothing.
2-9-1-c: Give the mannequin a hat, shirt, and shoes.