A factory sealed Pokémon TCG XY BREAKthrough booster box from the English XY series. BREAKthrough introduced BREAK Evolution to the game, so the display appeals to collectors and players tracing the format's history.

• Set: XY BREAKthrough (BKT)
• Series: XY, English
• Contents: 36 sealed booster packs, 10 cards per pack
• Set size: 162 cards plus 2 secret rares
• Featured: BREAK Evolution debut, Mega Mewtwo X and Y

Also available as a sealed case of 6 units.