Da Vinci’s Inventions Ballista

Build Your Own Working, Wooden Desktop Model. Each model is fully functional, designed with interlocking parts and a reliable trigger, making it the perfect STEM school project or a fun way to take office warfare to the next level.

EVERYTHING YOU NEED to build each model in 1-3 hours: laser-cut wooden pieces, rubber bands, sandpaper and clear, simple instructions. No special tools needed; great for kids and adults.