Most product listings show suggested ages of either "6 years and up" or "10 years and up."
Set sizes vary widely—examples range from mid‑size sets around 85 cards up to large compilations near 400 cards. Preconstructed decks are typically about 43 cards, while structure decks are usually around 50 cards.
Recent releases include extended art, chibi (cute) variant art, alternate/variant art versions of existing cards, and themed foil treatments such as emblazoned Ultra Rares and other premium foil upgrades.
Booster packs commonly contain seven cards (including at least one foil). Preconstructed decks are typically configured with about 43 cards, while structure decks are usually around 50 cards.