Don't let its size fool you, the Glow Roller hand fidget packs a huge punch. Unlike loud and large spinner fidgets the glow rollers size allows its user to hide it in his or her hand and remain completely silent. Due to the alternating textures on the outside of each disc, its user obtains an instant calming effect by rolling them between his or her fingers. Unit is roughly the size of a two quarters put together so it can easily tuck away in hand to avoid embarrassing attention. Works great in the office, the car, school, church, or anywhere fidgeting or anxiety become an issue. Each order comes with 3 fidgets so keep one in the car, one in the office, one at school, one at home, etc. Ages over 3 due to size and choking hazard.