they got sexually excited.
There are several reasons why a hamster may be shaky or wobbly, including old age, illness, stress, or hypoglycemia. It is important to observe your hamster's behavior closely, provide a quiet and comfortable environment, and consult a vet if the symptoms persist or worsen.
well i am no expert on hamsters but my guess because they have short legs
I think they are either purring like a cat or are so scared they are shaking but I don't know for sure and if you want to know for sure then read books surf the web that kind of stuff but I know for a fact that guinea pigs purr for the same reason as cats OUCH my chines dwarf hamster just bit me got to go
Tires are out of balance
What make the steering wheel shake is the tires that need wheel balance.
tires out of balance?
Wheel balance
Out of balance, bent wheel, defect in tire.
balance tires?
have the tyre checked for balance
balance your tires