First of all you need to go to Lavardge town then you face the gym leader Flannery( Fire Type) shes a bit hard so you need to have at leats 3 Pokemon of the lv.40 to even have a chance at beating her. after you beat flanery & you leave the gym May Or the boy will appear & she will give you the go goggles & will let you go through the desert.
You can get a rigirock on Pokemon Emerald in the Desert Ruins.But you need to unlock the Rigi's though,before you can attempt this.
Route 111 (Desert)
No
in the desert on Pokemon emerald,sapphire,and ruby EASY
You can find it in the Desert Underpass.
In the desert and in mirage tower.
try the marig tower
go into the desert,and find the mirage tower
in the desert at a sertant time of day
i am sorry,but there is no explorer kit in Pokemon emerald. there is an explorer kit in Pokemon diamond and pearl though.
There is no wild Flygon in Pokemon Emerald. The only way to get one is to evolve your Trapinch into a Vibaba and evolve that into a Flygon. Trapinch is in the desert in of Pokemon emerald.
trapinch is located in the desert part of Pokemon sapphire or ruby; maybe in emerald.