Neodymium Magnet Experimenter's Set, Neodymium Magnets: Educational Innovations, Inc.
Strong Neodymium Magnets | Neodymium Magnets for Sale
Neodymium Magnet – Arbor Scientific
30x10 mm Neodymium Magnet - Very Strong
Neodymium NdFeB Disc Magnets | Eclipse Magnetics
CMS Magnetics® Grade N52 Super Strong Neodymium Magnet Ring OD1.26" x ID 1/2" x 3/8" - Rare Earth Magnet Ring for Classroom, Science Project and DIY Applications - One Pack: Amazon.com: Industrial