Save on the PhotoPlay's Happy Birthday Stamp from CraftDirect.com. These reusable stamp sets add a special element and wonderful finishing touch to your projects. Express feelings through craft with the Say It With Stamp Collection. Since these stamps are made specifically to adhere to acrylic blocks, installation is quick and accurate. They work with a variety of creating materials, including inks, markers, and embossing powders (available separately) or pair it with Happy Birthday Dies (SIS3809).