Working LEGO Ballista

This is my custom designed ballista built using LEGO parts. It is fully functional and can fire a projectile up to 15 feet. If you would like to build your own, you can find building instructions freely available on my website at http://jkbrickworks.com/ballista Be sure to check out the fun video I created showing this model in action:    • Attack of the Flying Elephant (LEGO Ballis...   For sneak peeks and behind the scenes content you can follow me on these other sites. Facebook:   / jkbrickworks   Twitter:   / jasonallemann   Instagram:   / jasonallemann   Thanks for watching! Jason