Infinitely adjustable seat height with a white-painted, medium-height gas spring and a release lever under the seat. New, patented base made of thermoplastic materials, shaped and divided into individual segments. Base frame in white plastic, combined with a colored sole and plastic applications. The sitting/standing aid promotes active sitting, trains the back, and acts preventively against back problems. Versatile use in the office, workshop, kitchen, household, etc. The swivel stool encourages movement at both sitting and standing workstations. The base adapts optimally to the ground, resulting in a unique movement behavior for the stool that is extremely dynamic yet very stable and secure.