A hollow substantially spherical ball having a plurality of apertures therein and a plurality of movable members, generally in the form of pellets, having indicia thereon and shaped to fit partially into the apertures from the interior thereof but incapable of passing out through the apertures whereby the indicia may be observed externally of the ball. Magnetic means is associated with each aperture and associated with a metal ring on each pellet for retaining the pellets in the aperture during rolling movement of the ball so that each aperture of the ball will be provided with a pellet during rolling movement of the ball. The ball is provided with a weighted and flattened bottom surface so that it will come to rest in a predetermined position with indicia being provided on the external surface of the ball for association with the indicia revealed through the apertures for enabling various games to be played and enabling various educational processes to be practiced.