From nucleons to supersymmetric partner particles, these super strong magnets are perfect for fridges, lockers or your car (yes, it stays on the outside of your car even on the highway). One magnet is strong enough to secure 2 pieces of cardstock.
For other dimensions, see the CALABI-YAU MANIFOLD magnets.
For Feynman fridge magnets, go here.
All packs available as buttons.