The promo code will be on the back cover in the pink box. There are a few items for $10 or under on their site. Also they always offer free shipping so you may be able to score a completely free item.
Deal ExampleBuy 1 Kids' Nalgene Everyday On the Fly Water Bottle, 12 oz $10
- use $10 off of any purchase promo code
- choose free shipping
Final Price: FREE