Price: $25 (street)
Pros: Cheap, unique, versatile, promotes movement, available in several colors
Cons: No back support, does not encourage proper posture, can burst with proper application of scissors
Notes: I used the ball for several days and initially it loosens up the back, but I found if I used it for more than an hour or 2 my back hurt later in the day. Exercise may be its best use. Several people at work use them as chairs, one popped (ouch) and another lady fell off hers today.
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