Winther Challenge Foot Twister Who has the knack? - Winther Challenge Foot Twister Thanks to its unusual type of drive, this vehicle is an exciting challenge for all children and will certainly never stand still for long. With a lot of fun, the right technique is worked out to get the red racer going. Those who have understood the basic principle can fine-tune their driving style Only when the feet are moved rhythmically does the Foot Twister move smoothly. This trains body control and coordination of movement and is also great fun.