Ages 9-16+


Starting at $16.95 with free shipping when you subscribe Learn more »


Build a ballista and experiment with aiming and launching!

Includes a step-by-step video tutorial link, illustrated blueprint instructions, all the materials, and a special-edition Tinker Zine magazine for more fun!


  • Build the body
  • Add the arms
  • Complete your ballista


  • Ballista Engineering
  • Physics of Projectiles
  • History of Ballistas

Using charter school funds?

Get more details here »

Shipping Info

Our Fans

Write Your Own Review

Only registered users can write reviews. Please, log in or register