- plastic
- Observe tools--they are for long time of using and would hardly fail you when in the wild,outdoor observing
- Wilderness observation--this set is light in weight and easy to carry, and would not be a burden for you trip,outdoor observing
- Outdoor observing--great educational tool kit,hiking observing
- Observing kit for children--this set of tools is great for your kid if you are about to go out for an expedition,outdoor observing
- Hiking observing--you could use thses tools to observe the you find in the wilderness,outdoor observing
