The Xcellerator E6007 marble run from Hape combines speed and spin, opening a world of unlimited possibilities for 3-dimensional thinking, creativity and technical understanding for young and old. The Xcellerator is crafted from durable birch and rubberwood. This marble run consists of a spiraling funnel, mixture of straight and curved rails and 10 accelerators that make the marbles go faster. This is the pinnacle of speedy marble runs. The Xcellerator E6007 from Hape can be easily combined with other marble run sets to make more complex, and it is suitable for children of four years and older. The Xcellerator E6007 from Hape helps children develop hand-eye coordination and dexterity. Identifying and fixing flaws in the designs builds problem solving skills.