This is why I keep all my magazines! I remember using magazines multiple times for school projects! But this-Really cool idea - cardboard doll house with magazine pictures. Could do with a firehouse/something more boyish, too.
Cute kid project-Old Book Pages and Bright Color - I love how this looks. Great project to do with kids - decoupage old book pages onto a piece of wood - let dry - use it as canvas for artwork - cheap, easy, rewarding!
This would make an awesome "Christmas Houses" Display! I'd cut some little wreaths for the houses as well! (DIY paper house luminary project with free template via Cathe Holden at Just Something I Made.