This is a model of the arch bridge designed by Leonardo da Vinci
The design uses a self-supporting arch concept to distribute weight through the full curve of the arch
The kit is a replica of the oldest known arch bridge design
Snap together assembly of textured parts
No batteries, paint, or glue required
Leonardo da Vinci designed to become stronger when it carries more weight. If one key component is removed, the bridge will fall. It was originally intended as a quick-build, wood bridge for use by the military. Removing a single piece of wood while the.