Abstract: A kit for converting a hand-powered wheelchair to an electric motor-powered wheelchair is disclosed. The kit includes a pair of DC electric motors, each motor being connected to a drive wheel for rotating the drive wheel. The motors are mounted on the supporting frame of the chair for pivotal movement relative to the frame between a first position with the drive wheel adjacent to but spaced from the rim of one of the large diameter rear wheels of the chair and a second position with the drive wheels in engagement with the wheels so that rotation of the drive wheels will rotate the large wheels and move the chair. Levers are mounted on the frame for moving the motors between the first and second positions. A battery supplies power to the motors through switches that control the flow of electricity to the motors.

Abstract: A disposable pet sanitary station having a fixed lower compartment and an expandable upper compartment. The lower compartment has a bottom and four sides and can be packaged with absorbable materials. The upper compartment has a top and three foldable extensions that form a cover for the sanitary station during use. In a preferred embodiment, each folding extension has a horizontal fold midway of its height, and alternate folding extensions have two diagonal folds.