What can Russian dwarf hamster chew on?

Wooden objects:

* Dowel rods

* Wooden blocks

* Wooden ladders

* Wooden houses

* Wooden bridges

Cardboard:

* Empty cardboard boxes

* Cardboard tubes from toilet paper rolls or paper towel rolls

*Shredded cardboard

Paper:

* Newspaper

* Printer paper

* Envelopes

* Napkins

* Paper towels

Other safe materials:

* Timothy hay

* Orchard grass

* Oat hay

* Wheat hay

* Alfalfa hay( only occasionally or as a treat in small quantities- as it's high in calcium)

* Dried fruits

* Vegetables

* Mealworms

* Dried herbs

* Pet chews