The Poke Radar is not available in Pokemon Sapphire. The Poke Radar is an item exclusive to Pokemon Diamond, Pearl, Platinum, X and Y.
you can get bagon on Pokemon platinum on route 210 using poke radar
You can find it at route 228 with the poke radar
use poke radar on route 210
fuego ironwoks (use poke radar)
To get the Poke Radar you gotta fill up the Sinnoh Pokedex, talk to the professor, and he will give you the National Pokedex and the Poke Radar.
right after you get national dex
The Poke Radar is not available in Pokemon Sapphire. The Poke Radar is an item exclusive to Pokemon Diamond, Pearl, Platinum, X and Y.
you can get bagon on Pokemon platinum on route 210 using poke radar
Route 224 Poke Radar
Route 212 with the poke Radar
You can find it at route 228 with the poke radar
use poke radar on route 210
Mt.cornet use a poke radar (it is rare)
route 210 (use poke radar)
Route 210 South (Poke-Radar)
On route 229 with the poke radar(rare)