Mystery Stick |Physics Demonstration Novelty

Dr. Copernicus' Mystery Stick Your little physicist can amaze friends with this mystery stick. The mystery stick operates on complex physics. Rub the bumps to create vibrations that make the prop spin, then make the prop appear to change direction on command. Handmade in the USA of wood. Operating instructions included. 6x5x.5" peggable card Part of Copernicus Toys Compact Curiosities line. Small wonders perfect for stocking stuffers, Easter baskets and birthday gift bags or anytime you want a little science!