The Inkadinkado® Stamping Gear Oval Cog creates interesting, symmetrical patterns for home décor, fashions and so many other crafting projects. Use with clear paddle block (available with the Deluxe Set and Intro Set only) and cling stamps (sold separately) to stamp around the cog to form intricate patterns. More Stamping Gear sets and tools available (sold separately). Includes 1 piece.