Abstract: An axle system is provided that included an axle assembly having an axle member, a gear coupled with the axle member, and a housing encasing a lubrication fluid and at least a portion of the axle member and the gear therein. A device may selectively heat and/or cool the lubrication fluid at one or more regions of the axle system.

Abstract: An axle system is provided that included an axle assembly having an axle member, a gear coupled with the axle member, and a housing encasing a lubrication fluid and at least a portion of the axle member and the gear therein. A device may selectively heat and/or cool the lubrication fluid at one or more regions of the axle system.

Abstract: The invention comprises a disposable handle cover and entertainment center which may be detachably secured to a shopping cart handle. The invention provides the child with a more sanitary environment and also amuses and arouses the attention of the child carried in the shopping cart. The handle cover and entertainment center is of a rigid material e.g., cardboard or the like, and is therefore relatively inexpensive. Furthermore, the handle cover and entertainment center provides at least one amusement item and is also equipped with a drawing surface where the child can either draw or color with a drawing instrument included with the handle cover and entertainment center. The entertainment center can also contain advertisements or other commercial messages, or it can be in the form of a bingo card.