National Geographic Da Vincis Invention Bombard

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. Age: 12 years and up

- Item Code: 02495
- Approx package dimensions: 23 x 16 x 6 cms
- 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.