PowerTRC Perpetual Motion Desktop Toy Mesmerizing perpetual motion desktop toy (Requires 2 "AA batteries - Not included) Unique Design - crafted beautifully to look very unique with lots of colors Motion Toy measures 10-11" in height and takes very little room on a desk Makes a great decor for your Office or simply leave it on your desk Easy to start - simply give a small nudge to get it started and watch it go in hypnotic motion