They have Star Wars Fancy Dress for toddlers at Play.com for £9.99 free delivery.
Chewbacca 6-12 mths - 9.99
Princess Leia 1-2 years - 9.99
Darth Vader 1-2 year & 6-12mths - 9.99
Get a great halloween costume for your little one this year.
I bought the Chewbacca one for 15.00 plus delivery 2 years ago. I think this is a good deal.