The Pokemon 151 Base Master Set 1 includes 165 standard-sized cards from the Base Set, featuring various popular characters like Blastoise, Mewtwo, Pikachu, and more. The set includes reverse holographic, rare, and EX cards, as well as a binder for storage. Manufactured by Nintendo in 2023, the cards are in excellent condition and made of high-quality card stock. This collection is perfect for Pokemon TCG enthusiasts looking to expand their collection with a mix of popular and rare cards.