POKEMON GYM CHALLENGE 1st Edition BOOSTER BOX

Get ready for the Gym Challenge™ expansion!

Some Pokémon trainers are more devious than others—and these trickster trainers will meet their match with Pokémon gym leaders Blaine, Sabrina, Koga, and Giovanni! The four mischievous gym leaders have been perfecting their training methods with their favorite Pokémon. So check out their sneaky tricks...and put yourself up to the gym challenge!

Gym Challenge is the name given to the seventh main expansion of the Pokémon Trading Card Game. It is based on Pokémon Red, Blue, and Green, featuring Generation I Pokémon and the Kanto region's Gym Leaders. The expansion was released on October 16, 2000.