Putty Magnets: How do they work?Infused with magnetized iron filings, Crazy Aaron’s Super Magnetic Putties glitter deep black and green or glossy pink. The ferrite magnet brings your putty to life—charm it like a snake, push it like a puck, or lift chains of small metal bits! Available in Strange Attractor and Reactive Razz designs. Includes putty, 4” tin container, and 1/2" cube ferrite magnet. Ages 3 and up.