Strange Attractor Thinking Putty has a mind of its own! This innovative putty will is sure to mesmerize users and onlookers for hours on end. Deep black with subtle green sparkles, this Thinking Putty defies gravity by moving after being charged in a magnetic field. Watch as your putty twists and twirls, lifts tacks and paperclips, and even 'eats' a magnet in just a few minutes. Kids will learn about the invisible scientific forces at work as they stretch, mold, tear, and animate this one-of-a-kind putty. Includes large tin of putty and magnet. Ages 8 +.