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Question

Where can you find one in every game (gen I-V) & how do you get them?

Answer 1

Johto: Route 30 (Mr. Pokemon, traded for Red Scale)

Hoenn: Rustboro City

Kanto(FR LG only): Route 15 (Professor Oak's Aide)

Sinnoh Jubilife City (Get 3 Numbers in the Lottery)

HeartGold SoulSilver Johto: Route 30 (Give Mr. Pokémon the Red Scale), Radio Tower (Goldenrod Lottery Prize - 3 Numbers Match)

Unova: Castelia City, Icirrus Cit