This fun mechanical turtle moves almost like a real one, thanks to its rubber-band wind-up engine. 
 
Eco-friendly sustainable material made of FSC-certified wood.
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 (not all kits, included when relevant).
Very sturdy construction.
Can be painted with thin water-based paints, except the gears, not to obstruct the mechanisms.
 
Watch these tips before starting: https://youtu.be/vCtTfemvE1M