Workout | Ball within a ball system creates an immense gyroscopic |
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Force | No batteries required and no chemicals utilised |
Inside | The faster it spins the brighter it lights |
Up | Just wind up the thread and pull briskly for fun relaxation and exercise to your hands wrist and arm |
£9.78
You Save £1.12 (10%)
Reviews (10)
buy from a more reputable company and spend a little more money
Broke after 2 days.
Not for me
I broke my wrist and thought this might help with strength/therapy.
don't waste your money
The one i got is Junk.
best forearm workout
I love it.
Does the job but way too loud
I've been using this to help deal with carpal tunnel.
2 days of moderate use and it no longer can ...
2 days of moderate use and it no longer can wind up fast enough to generate the force to continue spinning.
Cool little product. Lots of fun
This product was exactly as described.
This was not as good as the Dynaflex version
This was not as good as the Dynaflex version.
Five Stars
Great for all racquet sports..
Love it, just shipping sucked
It took some time to get here but other than that I find it a lot of fun and a new interesting way to work out your forearms!