Ordinary cardboard is a type of paper, and is almost always opaque (visible light does not pass through it). It is possible to make it thin enough to make it translucent, especially in bright sunlight. If it were transparent (see-through) then it would not be called "cardboard" any more.
You could use a shoe box as the base, then use the same size cardboard to cover the hole. Then, you cut a circle out of cardboard as the dial(write numbers on it.) For the telephone parts, fold a half sheet of paper for both parts. If you want to make one that's not tacky, you're on your own.
No its not
1100 ltr cardboard = 70kg = 0.07 tonnes
I believe cardboard is a conductor, and cardboard is not that thick to block the magnetic energy.
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).
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
Make one out of cardboard
we can make this with cardboard
You can't.
250cm