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Talk about blowing away the competition! This air-powered carton car needs just a huff and a puff to get its little wheels rolling. Go here to make one. http://www.marthastewart.com/271268/balloon-ride

Frugal Fun For Boysfrom Frugal Fun For Boys

Lego Fun Friday: Balloon Powered Car Building Challenge

Lego Fun Friday: Balloon Powered Car Challenge Fun project for kids - build cars and race to see who wins

Crafts for Kidsfrom Crafts for Kids

Milk Carton School Bus

Milk Carton School Bus - http://www.pbs.org/parents/crafts-for-kids/milk-carton-school-bus/ because florence is obessed with school buses!