Leonardo DaVinci's Self-Supporting Arch Bridge
No glue! The unique structure of this bridge holds itself together without any fasteners or connectors. All parts are precision cut from high-quality hardwood. The finished model is 36” wide, 10” tall and 5-1/2” wide.
$29.95 more info
In an Earthquake zone, tall buildings are designed to
sway and bend so they don't break. This model
simulates that exact property of modern skyscrapers.
$72.95 more info
The Warren Truss Bridge, Long Version
A Warren truss bridge is strong, lightweight and easy to build. This model is almost THREE FEET long, 7" wide and 7" tall, and can support over 100 lbs.! It's perfect for O and HO model train sets, slot cars and more.
$69.95 more info
The Retro-Rocket! Easy to assemble, awesome to behold. A tower of high technology and futuristic potential. Makes a great display piece for any space
$69.00 more info
The Warren Truss Bridge
A Warren truss bridge is strong, lightweight and easy to build. This model is 22" long, 7" wide and 7" tall, and can support up to 100 lbs.! It's perfect for O and HO model train sets.
$49.95 more info
The Catenary Arch
Can be built with or without glue. The catenary curve makes the most stable form of arch tower and is the same curve used to make the Gateway Arch of St. Louis.
$49.95 more info
The Ferris Wheel
The Ferris wheel. A tower that moves, a ride that towers, a bridge between the ground and the sky. First invented in 1893 for the World's Fair in Chicago by George Washington Gale Ferris.
$89.00 more info
The Cable-Stayed Suspension Bridge
A cable-stayed bridge is a more elegant variation of a suspension bridge. This model was engineered with HO-scale model trains and match-box cars in mind. It's a great looking bridge kit and easy to build too!
$79.95 more info