in hills
no
Yes
You have to be 10 years old
As long as the owner of the private property allows it, it is legal.
yep
The dmv
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17
Well Basically you have to be 16 years old to drive a gas powered anthing.
yes
As long as they are under 50cc you can ride them on the street without a licence in all states at any age.
Experience and common sense can best answer your question. My son is 12 and he rides. He has been riding since he was 6. I got him a super pocket bike when he turned 11 and a mini one when he was 6.