Don't let its size fool you, the Mini Roller hand fidget packs a huge punch. 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.