The Wrist Ball is a rotating, dynamic wrist training ball. It does not need energy to work, but it rotates by the centrifugal force, which moves your wrist, achieving its exercise.
It has an optimized boot method to make it simpler. Now, just push the inner ball in the direction of the arrow and then release it to start the rotation of the inner ball.
The ball is made of quality materials and is equipped around the perimeter with an elastic, non-slip ring and lights that are activated during rotation.
dimensions: 70 x 70 x 55m
construction material: polycarbonate, zine-alloy
color: transparent / black