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.
yes, as long as it isn't gas powered.
Yes, their is know reason why not.
Play video games.
Well have multiple pc's or xbox's for them to play together with, but that might not be all you want these 12 year olds to do , If you want them to play outside they will probably want bikes, rolaskates, quadbikes all of those should be fun for them.
The normal RHR for 13-18 tear olds is 70-100, if your RHR is over 100 see a doctor.
no
what is the year of this van 2002 or 1992?
no
Legally no but otherwise yes.
Yes, completely safe. If your 8 year-old can ride a bicycle, he/she can ride a dirtbike.
Thirteen year olds can only ride bikes with motors attached on private property in California.
No, you must be 16, have at least a drivers permit and its a street legal vehicle that is appropriately registered.
on your driveway
Yes, they can ride a PW50. As long as they can reach the controls they can ride. 4 year olds race AMA motorcross on them.
most likey not
yes
Yes, its safe and a good system of exercize. Age appropriate controls are suggested such as no extreme BMX for 2 year olds, safety equipment as required by law, familiarity with traffic rules, etc.
yes
Yes