Is this normal hamster behavior?

My dads hamster sometimes licks the side of her cage and she sometimes walks on her wheel instead of running. She also tries to eat everything (i. e.

My dad's hamster sometimes licks the side of her cage and she sometimes walks on
her wheel instead of running. She also tries to eat everything (i. e. her cage, plastic wrappers, fingers). Is this normal? She gets enough to eat (if not more than enough; she is kind of overweight) so I don't think she is hungry and that's why she eats everything.

or:My dad's hamster sometimes licks the side of her cage and she sometimes walks on her wheel instead of running. She also tries to eat everything (i. e. her cage, plastic wrappers, fingers). Is this normal? She gets enough to eat (if not more than enough; she is kind of overweight) so I don't think she is hungry and that's why she eats everything.

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