Zorbitz Inc. Real Hematite Earth Magnets - Magnetic Games, Magic, Fun And Stress Relief Have fun and relieve stress with these real hematite earth magnets. Play games like "Law of Attraction" and "Magna Stack". Amaze your friends with magnetic magic tricks. Includes four 1.25" dia. disc-shaped magnets. WARNING: Choking Hazard - small parts. Not for children under 3 yrs.