A multi-appliance power unit (100) selectively driving one of a plurality of power driven appliances (114) from one relocatable power plant (102). The modular power plant (102) is entrapped on a platform (108) and is movable therealong to any one of the appliances (114) fastened to the platform (108), which appliance (114) can then be driven by the power plant (102). A modular power plant and power driven appliance kit (200) includes a wheeled chassis (204) having a handle (220), a removable modular power plant (202 or 212), and a removable modular power driven appliance (212 or 202). A flexible drive shaft (300), is optionally integrated with a power plant or a powered appliance. The flexible drive shaft (300) includes an outer flexible sheath (310), roller type bearings (308), and a multifilament torque conducting flexible core (306) held spaced apart from the outer flexible sheath (310) by the bearings (308).