Magnetic Rings, Magic ring. It is easy to operate and can play with one hand. Relieve stress ,3 to 5 minute average spins greatly fit for fidgety hands, These anti-stress magnetic rings will calm you immediately. Easy to carry, small, simple, discrete and fun, also effective for focus and deep thought with using this magic ring. It can be given to children as a gift or as a toy for entertainment. Specification: Inner ring diameter: 1.8CM Package includes: 3x Magnetic ring