Abstract: A pet feeder for automatic and timely provision of food to household pets includes a housing containing one or more types of pet food. The pet feeder includes a feeding tray operably coupled to a base, the feeding tray defines at least one pet food feeding zone located outside the housing; and a food tank positioned in the housing, the food tank defines a plurality of food compartments. At least one rotary valve is disposed at the bottom of the food tank; and a first electric actuator is mounted on the housing and engaged to the rotary valve, the first electric actuator drives the rotary valve to open only one food compartment at a time, to allow food of the only one food compartment to unload downwardly to the feeding tray. A food pusher can move the pet food into the feeding tray accessible to a pet.

Abstract: An electric go-kart includes a frame and a crossbar. The crossbar is fixed to the frame and extends transversely to a left and right side of the frame. An accommodation box is rotationally coupled to each of the left and right side of the crossbar by a connector. A wheel is installed on an outer end of each accommodation box. A steering rod includes a one end fixed to the connector. A support rod is located at a front end of the frame. A stabilizing wheel is pivotably coupled to a front end of the support rod. A seat is fixed on a top side of the frame. A battery is located within the frame.