Abstract: A walking aid for a pet includes a main member having a front opening and a rear opening to form a chamber between the front opening and a rear opening. A plurality of wheels mounted on a bottom side of the main member. A connecting member has an end connected to the main member and extending to the chamber, wherein the connecting member has a first connector. A supporting member has a second connector, wherein the supporting member is received in the chamber of the main member with the second connector connecting the first connector of the connecting member.

Abstract: A walking aid for pets includes a main member, two wheels, and a fastening device. The main member has a closed portion and two wall portions connected to opposite sides of the closed portion, wherein the closed portion and the wall portions enclose a receiving room, and an opening is formed between the wall portions. The wheels are pivoted on the main member. The fastening device is connected to the main member to be worn on a pet.

Abstract: A pet box includes a box member having a room therein and an entrance communicated with the room, and a stair member connected to the box member. Therefore, pets could get into and get off the room through the stair member without its host's help.

Abstract: A pet carrier includes a main box and a door. The main box has a lateral wall and a back board to form an integral member. The main box has an opening and a room therein. The main box is provided with a plurality of ventilation bores, which are communicated with the room. The main box is provided with two ribs to enhance its strength. The door connected to the main box to open and close the opening.