Cut out a 1 ⁄2 to 3 in (3.8 to 7.6 cm) hole on 1 side of the carton.
Cut out a 1 ⁄2 to 3 in (3.8 to 7.6 cm) hole on 1 side of the carton.
Build a Wind Turbine
Build a Milk Carton Birdhouse
Build a Water Hand Pump
Build a Solar Lantern