An ingenious construction. Using simple bars one can create a big bridge that stands for itself. Without a glue or a cord and without a nail or screw. Admitedly one needs a quiet hand and some flair to set it up.
The ingenious inventor of this bridge construction is no one else than Leonardo da Vinci. By following the set up instruction to the right, one can understand the brillancy of his ideas. The beauty of it is, that one can start with one or two modules, which can than Step by Step be extended to become a larger bridge.
40 wooden bars made of linden wood, for little and tall construction engineers
