[during the pause, MOT attaches objects to the horseshoe magnet and Chi continues playing with the silver men and silver stick on the black base; early in the pause, Chi pulled the yellow wand away from the black base and the red ball remained attached to the base; when she moved the wand back toward the red ball and the black base, the ball was repelled by the tip of the wand and rolled upward on the base until the wand could slide under it; Chi repeats this demonstration about five times]