Abstract: A foldable and assembly tool free stepping exerciser includes a base having a first securing member and a restraining element, a telescopic post being releasably secured to the base by the first securing member and the restraining element to hold the telescopic post vertically, a pair of support arms being pivotally linked to a first end of the base at a respective first end of the support arms and a respective second end of the support arms being pivotally linked to the post, a pair of stepping pedals being pivotally connected to the first end of the base at a first end of the pedals and a pair of hydraulic cylinders being releaseably connected to the corresponding stepping pedals at a respective first end of the hydraulic cylinders and their second ends being pivotally connected to the post; the telescopic post having a fixing component formed at its first end to cooperate with the first securing member for holding the telescopic post vertically, an inner tube being telescopically received in the post, a se