Crazy Aaron'S Magnetic Storms® Strange Attractor Thinking Putty® - 4' Tin Thinkingputty - Non-Toxic Sensory Play - Never Dries Out - Creative Toy For Kids And AdultsHas A Mind Of Its Own As Well. A Deep, Mysterious Black With Subtle Green Sparkles, It Comes Alive When Charged With The Included Magnet. Strange Attractor Is The Name Of A Mathematical Equation That Is Commonly Part Of Chaos Theory. This Equation Creates A FractalA Never Ending, Non Repeating Pattern Within A Dynamic System. Basically, A Strange Attractor Has A Mind Of Its Own And Creates Beautiful Patterns In Design, Art, And Nature. Thinking Putty