first you get the materials and then get the directions. Make sure you do everything right and build the towers. when done examine and make love to it.
By bracing it with triangular shapes.
cut the wood in to the plane shapes and glue them together ..or buy oneor do a wiki answers search about balsa wood glidersor you can go to ask .com i heard through the grapevine that they don't have the answer either.or go to wikipedia and search balsa wood gliders there.
they make it stronger by making it out of stone, using octagonal towers and have a well fortified gatehouse, including at least one portcullis.
Tommy's dad showed him how to make a model airplane using balsa wood and glue. The word balsa is a noun.
balsa
balsa tree trunks
Balsa wood is so light that it makes it easy to make a structure out of. You just have to find slightly lighter balsa wood. I made a 15 gram structure in 5th grade and it held over 200 lbs.
Practically, the whole building is built around the cylinder shape.
you throw it after putting foil on it
by making a triangular shape with it
Probably balsa wood, LEGOs.