 These rustic-looking stones, they come in project kits and make it super easy, fast, and affordable for homeowners and even contractors to build outdoor features. Yeah, and they're perfect for creating outdoor kitchens or fire pits, grill surrounds, planters, benches, and lots of other outdoor projects. Assembly is super easy, too. So whether you're using a kit or customizing your project, the rumble stone units just stack together like building blocks.