The latest hype for stress sufferers and hobby jugglers: The interactive adult toy was invented in the early nineties and is a sculptural ring spiral that is interlocked. It can be folded flat, as a ring or opened to sculpture. To play with it, you simply have to guide your hand through the interspace of the spiral, which rolls up and down, rolls on the other arm or passes to another player. The spiral is relaxing and ideal for office or at home.
