Party city has a wide variety of party supplies. You can order online at their website www.partycity.com/Birthdays or you can go to their store. Another website with great supplies is http://www.supercrossking.com/store/Motocross-Birthday-Party-Supplies.aspx
partycity.com is probably your best bet. They carry a large selection of themed party supplies. Visit their website and then search for "dirt bike"
yes, dirt bikes are motorized
dirt bikes
Everybody that races dirt bikes "started" racing dirt bikes at some point.
dirt bikes in the past had less gears and power then dirt bikes have today
no dirt bikes arn't illegal
no there not dirt bike is better
The two main types of dirt bikes are motocross and trail bikes. Yamaha, Kawasaki, and Honda all make these types of dirt bikes.
dirt-biking is for dirt-bikes it can be either stunt or mud riding
There are a few dirt bikes that you can buy that are cheap. Some generic dirt bikes you can buy are 200 CC, Yamaha and you can have bikes shipped to you from China.
Shozo Kawasaki made dirt bikes.
Yes Dirt Bikes Have Vin Numbers.