Its catalog serves players and collectors looking for ready-to-play decks, individual cards, and original packs. Shoppers can browse products by category, including single cards and original packs, or explore a broad selection of releases spanning the game’s history, from its basic set and early series through recent expansions. The store also lists promotional cards and products under labels such as DMEX and DMBD, including special packs, collaboration releases, and preconstructed decks.

Its deck selection features a variety of named strategies, while card listings cover numerous game mechanics and formats. By organizing products around series, individual expansions, and product types, flat-工房 makes it easier for customers to find cards and build or update their collections. The shop presents itself as a dedicated destination for Duel Masters fans seeking both current releases and older products in one place