Abstract: A spinning toy having a hollow housing, a detachable cover, a cargo carrier in the housing, means responsive to attachment of the cover to engage first detent means, means for rotating the toy, means for retaining the cover on the housing as the toy is rotated, means responsive to centrifugal force for transferring the engagement to second detent means, and means responsive to a decrease in centrifugal force for disengaging the second detent means and means for ejecting the cover and cargo upon release of the second detent means; and a launcher that serves as means for retaining the cover on the housing during the transition from first to second detent means, the launcher having means for disengaging the toy and moving it away to spin freely.

Abstract: An animal exerciser especially well suited to horses that provides means for straight line exercising and positive turning in apparatus including a carriage, means for reciprocally moving the carriage in a substantially straight line, means for attaching the animal to the carriage, and means for supporting the operative elements at a desired height. A preferred embodiment has an endless belt and means connecting an anchor point on the belt to alternating positions on the carriage whereby the direction of travel of the carriage is reversed at each end of the line of travel.