I noticed as I was putting the stool together that the wheels are better than my old standard ball chair. I was happy with this as with the help of my puppy one of the wheels/casters on the original ball chair broke off. Very happy with the heavier construction of the stool and that the layout of 5 wheels seems to work bette than the 4 on the original ball chair.
This is fun to sit on: I can spin a bit & do abdominal crunch moves, twist and generally get 100% more out of my computer sitting time than when I only had my stationary desk chair. I can feel & see the difference in my back and torso now when I must sit in unsupportive locations like bleachers. Instead of feeling miserable & back-achy, I can sit everywhere with a sense of strength now, after only using my chair for an hour a day for about two weeks. It was surprisingly easy and fast to assemble, no extra tools were needed. Highly Recommended!!
Pros: Compact, comfortable, attractive, Easy Assembly, easy to use, improves weak back & abdominal muscles
I have been sitting on a large athletic balance ball for years and thought the adjustable balance ball chair would be a perfect alternative. I found that it hurt my sit bone area and a shooting pain and discomfort happened in my shoulders.