By what you have probably already seen what the basics of the costumes are, but there are other features that can be added to your costume if wanted to.
head
LED eyes- $30
LED lights in hair- $40
Moving jaw- $25
Blushing Cheeks (WARNING: May not show up under dark fur)- $50
any paws
Indoor feet- $50
Feet sandals- $75
bodysuit
Moving wings- $75
Dropped crotch- $20
Secret pockets- $20
1 strip of LED lights (anywhere)- $50