Probably Flybar. They're the biggest company.
Pogo sticks can be purchased online or at your local store, such as Walmart. Check out http://pogostickreviews.net/ for reviews and links to online pogo sticks.
Yes, of course :)
The exact number of pogo sticks sold annually can vary, but it is estimated that tens of thousands are sold each year worldwide. The popularity of pogo sticks may fluctuate based on trends and marketing efforts.
It depends on who is using it, as well as how well the pogo sticks condition is.
No
It depends on the boy.
No
as you jump on the Pogo stick you press down on a spring at the bottom. Then the spring propels you back upwards .
1 and a half
5
1and a half