spidey flextreme parkur setiSpidey Flextreme Obstacle Course Kit The Flextreme Universe allows children to build a circuit by putting the pieces together children can unleash their creativity and explore their environment. Thanks to the environment, they can create the most incredible circuit possible the tracks easily interlock and are so flexible that Children can run the tracks over a chair, bed, or even a dresser. But that's not all! Loop, Upside Down, Sideways Flextreme