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 skateboard ramps and rails, including 14oz of reusable concrete compound, ramp and rail molds, a molding tool, and an exclusive Enjoy Fingerboard!The DIY concrete is easy to use and reuse, great to use with mini skateboards for kids. 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 fingerboard ramps or create your own fingerboard skatepark to level up your skill. Simply add water to create new challenges.Challenge your friends, develop your skills, and build your Tech Deck collection with other toy figures & playsets. Tech Deck fingerboards are for skate-lovers ages 6 and up who love small toys.