Racing Spheres Competition Set, Red-blueBe the first to steer your racing sphere around the obstacles and across the finishing line, and leave your opponent standing. With its studded silicone skin, you can race indoors or outdoors, and even complete obstacle courses over sand or earthy surfaces. Features 2x remote control racing spheres non slip studded silicone skin for added grip on sand and earth adjustable top speed: max. 8km h calibratable control red blue flashing led light effect