Inspiration from medieval siege artillery.
Adjustable rubber-band tension for testing different distances.
 
Eco-friendly sustainable material.
Very high precision with laser-cut plywood with amazing details.
All-inclusive boxes, self-assembly.
No messy glue is required.
Clear colorful step-by-step assembly instructions.
The model includes candle wax for gears, sandpaper, and rubber bands.
Very sturdy construction.
 
Watch these tips before starting: https://youtu.be/vCtTfemvE1M