Abstract: The invention provides a device for marking a straight line which is used in combination with an apparatus employed for at least one of leveling and squaring. The device includes housing and a laser module which is mounted within the housing for emitting a visible laser beam therefrom. A power source is mounted within the housing and is coupled to the laser module. A switch is coupled to the laser module and to the power source and is manually operable from an exterior surface of the housing for selectively operating the laser module. A spring clip is provided for releasably mounting the housing to such apparatus.

Abstract: A cover for a tray of a high chair. The cover comprises a unitary cover member formed from a preselected material and having a predetermined shape for covering an entire upper surface and outer edges and a predetermined portion of an underside of such tray of such high chair adjacent such outer edges thereof and a means engageable with such predetermined portion of such underside of such tray for securing such unitary cover member to such tray of such high chair.