An Infinity Cube, A -Style Puzzle Toy; A Sensory Finger Toy Sold Individually; A Stress-Relief Toy Suitable For Adults And Teens; An Excellent Gift Choice For Adults And Teens. The New Stress-Relief Toy, The Metal Infinity Cube Prime, Is Specifically Designed To Alleviate Stress And Anxiety, As Well As Symptoms Of Attention-Deficit/Hyperactivity Disorder (ADHD); It Is Extremely Makes The Perfect Sensory Gift For Adults And Teens.