120 cards in FireRed & LeafGreen:
Arcanine Articuno ex Beedrill Bellsprout Bill's Maintenance Blastoise ex Bulbasaur - 054/112 Bulbasaur - 055/112 Butterfree Caterpie Celio's Network Chansey Charizard ex Charmander - 057/112 Charmander - 058/112 Charmander - 113/112 Charmeleon Clefable ex Clefairy Cloyster Cubone Dewgong Diglett Ditto Dodrio Doduo Drowsee Dugtrio Electrode ex Energy Removal 2 Energy Switch Exeggcute Exeggutor EXP.ALL Farfetch'd Fearow FireRed & LeafGreen Booster Box FireRed & LeafGreen Booster Pack FireRed & LeafGreen Single Pack Blister FireRed & LeafGreen Theme Deck - "LeafGreen" [Ivysaur] Gastly Gengar ex Great Ball Growlithe Gyarados ex Haunter Hypno Ivysaur Jigglypuff Kakuna Kangaskhan Kingler Krabby Lickitung Life Herb Magikarp Magnemite Magneton Mankey Marowak Meowth Metapod Moltres ex Mr. Mime ex - 110/112 Mr. Mime ex - 111/112 Mt. Moon Multi Energy Nidoking Nidoqueen Nidoran F Nidoran M Nidorina Nidorino Onix Paras Parasect Persian Pidgeot Pidgeotto Pidgey Pikachu Poke Ball PokeDex (HANDY909) Pokemon Reversal Poliwag Poliwhirl Poliwrath Ponyta Porygon Potion Primeape Prof. Oak's Research Raichu Rapidash Raticate Rattata Scyther Seel Shellder Slowbro Slowpoke Snorlax Spearow Squirtle - 082/112 Squirtle - 083/112 Super Scoop Up Switch Tangela Tauros Venomoth Venonat Venusaur ex Victreebel Voltorb VS Seeker Wartortle Weedle Weepinbell Wigglytuff Zapdos ex