get a bike
you cant but you can in diamond and pearl but on Pokemon emerald you can only get super pop or whatever its called at the beach place on the sand in the house.
The rock/sand ones, they are immune to electric attacks.
Sand dollars.
it will find near slate port city
You have to talk to the old woman in Lavaridge Town by the sand.
There is an egg in the city where you can battle flannery. A women will give it to you. She is in the sand below the hot tub.
go to the sand tower in the desert from mauvile go up
The Go-Go Goggles you win ater you beat the 4th gym leader
Obtain the Go-Goggles from May/Brenden in Lavaridge Town after you defeat the Gym Leader.
Find a Sandshrew in the desert at Route 111, 113, or the Mirage Tower, and evolve it into a Sandslash at level 22.
in the sand and burrows
Go to Rustboro and then to the Devon Center. Go to the second floor, and talk to the scientists working there. One of them will offer to transform your fossil into a pokemon.