Buy this PhotoPlay's Inside Out: Happy Birthday Stamp Set from the CraftDirect store online. Your projects can acquire a distinctive quality and excellent final detail with the addition of these reusable stamp sets. The Say It With Stamps Collection comes with an intricate aesthetic. These stamps are designed to stick to acrylic blocks, allowing easy and precise placement. They work with a variety of creating materials, including inks, markers, and embossing powders (available separately)