This set comes with all the tools you need, from ramps to storage spaces, to make STEM learning more engaging. It helps kids think about different concepts, work in a team and build something exciting and creative. The set features sturdy galvanized metal pails in various sizes, great for different outdoor activities. The Outdoor Balance allows children to explore weight and mass using natural materials, complete with two metal pails and double gated s-biners. The Outdoor Funnel Stand supports five funnels, making scooping and pouring fun and interactive. With the Outdoor Ramps and Sandbags, kids can investigate force and motion through twelve ramps of different lengths. The Outdoor Ramps Storage Center keeps everything organized and tidy. Additionally, the Outdoor Sifter Scoops are designed with screens to sift materials for enhanced play.