DIYMAG Powerful Neodymium Bar Magnets, Heavy Duty Magnets with Double-Sided Adhesive, Rare Earth Magnet Perfect for Fridge, DIY, Garage, Kitchen, Science, Craft, Office-60x10x3mm, 12 Pack

Dowling Magnets Science Discovery Kit: Magnet Levitation. Science Experiments (Magnetic Levitation Train Kit)/Science Lab/Engineering Kit/STEM Kit/Physics for Kids and Teens/Magnet Set. Item 731100.

3D-printed submarine honors underwater brotherhood of Minnesota Navy veterans

Inside U.S. Navy's $2B submarines