Colorwhirl is a seven-color changing wrist strength ball described as a grip strength trainer. Its changing-color feature gives this wrist-training ball a luminous appearance.
The ball is also described as a toy for middle school students. The product information identifies it as a wrist strength ball and grip strength trainer, without explaining how the color-changing feature operates.
Why it works
The product combines a wrist strength ball format with a stated grip-strength training use.
Its seven-color changing feature adds a luminous visual element.
Specifications
Product type: Wrist strength ball
Stated use: Grip strength training
Color feature: Seven-color changing
Audience stated: Middle school students
Common questions
What is this wrist strength ball used for? It is described as a grip strength trainer and wrist strength ball.
Does it change color? Yes. It is described as seven-color changing and luminous.
Who is it described for? The product information describes it as a toy for middle school students.
