so here is how to make it. but the stadium is flat. all you need is Duct Tape and cardboard. first, you cut a round circle for the base. next, you need to find the perimeter of the circle. then cut the sides. (the perimeter) after that, you just tape the sides on. (you might find this unhelpful)
cardboard, or construction paper
Cut a box so that there's a hole in the front. Then fold a piece of cardboard at your desired lenght and hot glue it a the top. cut out a cross and stick it on the top of the roof.
so here is how to make it. but the stadium is flat. all you need is duct tape and cardboard. first, you cut a round circle for the base. next, you need to find the perimeter of the circle. then cut the sides. (the perimeter) after that, you just tape the sides on. (you might find this unhelpful)
how can i make a radio made of cardboard
how to make a simple model piano out of cardboard
I suggest the use of cardboard to make cardboard egg crates.
ehow.com/how_4744756_make-airplane-cardboard-box.html
You could not make it with entirely cardboard, but you could use it for wings if you wanted to.
Some cardboard and paper are recycled to make new cardboard, but the primary raw material for cardboard is wood (celulose).
You can make cardboard more durable by adding layers, using thicker cardboard, or applying a protective coating like varnish or sealant.
A bin can be made out of a cardboard box without doing anything at all to it. However, if the cardboard is in pieces, it can be glued together with wood glue to make a bin.
Cardboard boxes can be used for gardening. You can give your cardboard boxes away on BoxGiver