The Swopper® active motion stool by Aeris unveils a transformative sitting experience by combining patented motion technology, German-engineered precision & a playful design. The experience is intuitive and instantaneous. Sitting on the Swopper® immediately unlocks a nearly unlimited range of movement. Bounce up & down. Shift side-to-side. Rock back & forth. Swivel 360 degrees. This opportunity to move while you sit is as engaging & mentally stimulating as it is good for you. The Swopper® motion strengthens the back, promotes an upright sitting posture, increases concentration and makes you feel fitter and happier.