St. Patrick's Day Single Plank SignsDIY St. Patrick's Day Plank Signs Our St. Patrick's Day plank signs bring rustic simplicity to your Patty's Day decor. Our take home kits are simple to make and allow you to customize them to fit your vibe! This is a WOOD project. Although we select and prep the wood with care, your project will have cracks, chips, knots, and other blemishes that are NATURAL and give your piece a unique character. CUSTOM GUIDELINES: Simple substitutions of words