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.
*
NO
No solid answer, kids aren't all alike. some ride a lot, some don't ride at all.
Bikes should ride with traffic to follow the rules of the road and increase safety for both cyclists and drivers.
you should go ride bikes
Only about 1% of kids actually get the chance to ride a dirt bike and thankfully all my kids a greatful! Arizona riding is the best! SUCKERS!
only if he or she wants too
no not until they are 8 and have a special dirt bike driving licence
Ride Bikes Ride Bikes
cool kids hang out in a gang .some ride bikes or bmx
Fixies are more difficult and more dangerous to ride than Single-Speed/coasting bikes, so its' very rare to have fixies intended for kids to ride.
Scooter are safer, but bikes are more fun