Lumatwirl is a luminous wrist strength ball described as a grip strength trainer. The title identifies it as seven-color changing and gives a 100 kg figure.
The ball is described as self-starting, with versions identified as having lights or no light. The description also names a metal ball core for some versions, but does not establish which details apply to the individual ball presented here.
Specifications
Product type: Wrist strength ball
Described use: Grip strength training
Light feature: Seven-color changing
Figure in product title: 100 kg
Common questions
Does the ball light up? It is described as seven-color changing, while the accompanying description also mentions versions with no light.
Is it self-starting? The description calls the ball self-starting, including wording about self-starting without light.
Is this identified as a beginner model? The description says “not recommended for beginners” for one of its named versions; it does not establish whether that note applies to every version.
