Build your own fingerboard obstacle course with the Tech Deck DIY Concrete Reusable Modeling skatepark! This set comes with everything you need to create your own ramps and rails, including 14oz of reusable concrete compound, ramp and rail molds, a molding tool, and an exclusive Enjoi Fingerboard! The DIY concrete is easy to use and reuse. Wet it, set it and shred it! Simply add water, let it sit for 6-8 hours, and your creation will harden just like concrete. Use the molds to create perfect ramps or create your own fingerboard obstacles to level up your skill. Simply add water to create new challenges. Challenge your friends, develop your skills, and build your Tech Deck collection. Tech Deck fingerboards are for skate-lovers ages 6 and up. Create your own obstacles with the Tech Deck DIY Concrete Reusable Modeling Playset!