Compact Refrigerators

Can you stick small fridge magnets together to create one big magnet?

Is that even possible? See the thing is, I need a big magnet (a pretty thick one) for science, but I can't find them anywhere, so my question is, is it possible to stick a lot of fridge magnets together to create one big one? Would that still give me accurate results, if I do it for all my experiments to keep it constant? Or, do you guys know where I can buy thick, big magnets for a few dollars each in Sydney?

Public Comments

1. Don't bother trying with fridge magnets. They don't add together nicely. They actually get weaker...... each little pad actually has thin strips of magnetism, each of different polarity ( that means some North and some South, the same number of each. ) They cancel each other out when you are any distance from the magnet; its only when you are close to the magnet that there is any magnetic effect detectable. If you could get hold of an old dead microwave??? Inside their works they have a pair of doughnut shaped magnets that are really strong. Some small electric motors ( slot cars , train sets ) have quite strong permanent magnets that you can tear out. Wrecks the motor. The $2 shop might have "singing magnets" - these are great - real strong - I think they might have neodymiums inside them but I've not tryed smashing into one yet to see. Hey - this can't be too hard....you'll find them.