DIY castle for playmobil knights - for Free! (Website in Dutch)
12 idées de jouets à fabriquer à vos enfants | La cabane à idées
recycled cardboard dollhouse step by step
Cardboard Box Fridge: How-to instructions, along with other fun cardboard projects (castle, doll bed, gas pump & car) that offer hours of pretend play / CraigsListDad
Castle for Boys, won't make it this big and might just end up in cardboard! haha! But love the idea's!!!
DIY Cardboard Doll House Tutorial
I'll have to find out if local shoe stores will give me shoe boxes, I want about 100. ~Ariel
Awesome Rocket. made from toilet paper rolls. Click here for instructions and photos of the completed project.