Gather your supplies. Your popsicle bridge building supplies can be purchased at a local grocery store, general retailer, or craft store. The kind of popsicle stick you decide on using will depend on the vision you have for your bridge, but be sure you purchase a goodly amount so you don't run out mid-building. Including your sticks, you'll also need:
Popsicle sticks
Hot glue gun (and glue)
Large piece of cardboard or construction paper
Paper (for designing)
Pencil
Scissors or shears (for cutting popsicle sticks)
Yardstick or ruler