10 Answers 

1. A Roly Poly can live without food for up to 4 to 6 weeks. 
2. You can tell if a Roly Poly isn't healthy by its color, when it gets a purple/ blue color, you know it is not healthy. 
3. A Roly Polys average size is less than one inch. 
4. You can most likely find a Roly Poly on moist areas like rocks, leafs and logs. 
5. Roly Polys reproduce by parthenogenesis, meaning that they don't need a male Roly Poly to reproduce.
6. Roly Polys have blue blood, they have haemocyanin in their blood. 
7. Some Roly Polys drink water through their anus. 
8. Roly Polys get rid of their waste by eating their own poop, it is called coprophagy, it allows them to get back some of the copper they lost.
9. They primarily consume dead plants or animals, but they will occasionally eat live plants. 
10. A roly poly can live for up to 5 years.