The 2-Player Starter Set includes 61 cards unlike the Theme Decks released alongside Base Set, which include 60. As the 2-Player Starter Set is designed to introduce players to the TCG, the cards are split into two 30-card decks: The First Deck, which focuses on Pokémon, and The Second Deck, which focuses on Pokémon. As the only Stage 2 Pokémon in the set, the additional Machamp card is included to bolster the deck. The 2-Player Starter Set also includes a starter rules sheet, rulebook, damage counters, and card list. The set does not include a coin, though none of the Pokémon found in the set require one for any of their attacks.
The Machamp card is exclusive to the 2-Player Starter Set, and cannot be found in Base Set booster packs. This card was only printed commercially as a 1st Edition card, with the only non-1st Edition versions included in the Trainer Deck A.