Swing Bridge!

Leonardo da Vinci's Swing Bridge design is a portable, lightweight bridge that was intended to span across a body of water so armies could cross and then quickly disassemble and tow away. By means of an articulated system of winches and wheels, the bridge was designed to rotate 90 degrees...

Watch a cool video demo of the DaVinci Catapult kit on our YouTube channel! (click here) - will open in a new window

The scientific genius of Leonardo da Vinci is brought to life through 10 articulated models. The inventions that inspired these snap-together replicas are taken from the pages of da Vinci's priceless and awe-inspiring notebooks. All models are made of plastic and require no special tools. Manuals are very educational and teach how these inventions have evolved into what they are today.