Pathfinders Da Vinci Bombard Wood Models & Crafts full-color illustrated instructions in 11

full-color illustrated instructions in 11 languages (Ukrainian

or you can simply pull the Hot Rod back along a flat surface and then release and watch the car speed off

Behind-the-axle (BTA) steering

EXPAND YOUR KNOWLEDGE - Our 3D wooden puzzles for adults allow you to see how your drive and driven gears work together

Wood piece: 227 pcs

Pathfinders Da Vinci Bombard Wood Models & Crafts full-color illustrated instructions in 11The image of the bombard, with exploding shells was truly unique for the time. In the Codex Atlanticus da Vinci illustrated how it could be used, along with exploding shells similar to present day cluster bombs. This working re creation uses elastics to launch a hollow ball up to 14 feet, and it can be rotated with a gear driven slider to change the trajectory for some interesting insights about how trajectory changes distance a projectile travels.