Investigate the amount of potential energy given the rubber band vs. the distance traveled by the
Wacky Hall Walker. The suspended pearly crystals in
Rheoscopic Fluid show current movement continually, without settling out. A
Rattleback is a half-ellipsoid object carved so that it will spin in only one direction. The
Air Power Soccer Disk runs for about 30 minutes on 4 Alkaline AA batteries. No extra recharging required!
