Constructed from a single strand of thin, flexible metal, the Flow Ring is both a kinetic sculpture and a mesmerizing flow toy. With one look, you'll see why it has been called a "4th dimensional Slinky". Folds flat and pops open into a beautiful 3D geometrical shape. Slip it on your arm or a rope and watch its translational energy change to rotational energy! Centripetal (seeking the center) forces hold the bands in their curved shape as they spin along your arm, instead of "flying off on a tangent".