Cardboard gas pump instructions and other cool cardboard projects.
cardboard house v 0.2
15 Toys You Can Make with Cardboard | Apartment Therapy (after the holiday season, you always have a few boxes hanging around. Here's a fun way to use them!)
Girls - play kitchen DIY my kids would have the coolest kitchen on the block
Cute Cardboard Box Crafts: Cardboard Box Kitchen Stove (via Parents.com)
Play Kitchen from Cardboard Boxes -- I love the use of a page protector to create a window on the oven door, and the fridge!
Cardboard box oven
Washer where they can put their dirty clothes in. Things You Can Make With A Cardboard Box That Will Blow Your Kids' Minds
This is awesome! | 31 Things You Can Make With A Cardboard Box That Will Blow Your Kids' Minds
How to make a play kitchen from a diaper box!