The Pencil Grip Gyrobi Fidgets (Set of 6) 3 years & up. Fidget to focus! The perfect little gadget to help kinesthetic learners focus This gyroscope inspired fidget by The Pencil Grip(TM) twists, spins, and rotates Helpful learning aid or fun way to pass time 3.5" Diameter. Features 4 different color, interconnected rings that spin and rotate