Check the listing for details. DOWLING CERAMIC RING MAGNETS 735010 1 1/8 DIAMETER -BEAUTIFUL COLORS!**NEW**. Color: Multicolor, Condition: New. Listed at 5.00 USD. DOWLING MAGNETS 735010-6 (1 PK) 1 1/8 CERAMIC RING MAGNETS 6. Condition is "New". "Perfect for science experiments, crafts, hobbies and decoration!Did you know?Ceramic magnets are made from an alloy, or mixture, called strontium ferrite. Dowling's magnets are guaranteed magnetic for life! Be careful, ceramic magnets may be magnetic for life, but can break if dropped or hitting against each other constantly. They are fragile. "Delve into the science of "mysterious" magnetic fields interact and witness the wonder of attraction and repulsion with these amazing magnets! Set of 6. Magnets measure 1 1/8 inches diameter eachWarning choking hazard -small parts. Not for children under 3 yrs." "Product Description:Grades: K - 12Ages: 6 - and up Language: EnglishUPC: 094051350108ISBN 13: 735010"