BUZZ magnets! Just throw this pair of highly polished hematite magnets up in the air. As they collide, you'll hear them whirl, rattle and buzz until they finally connect. Try spinning these high quality buzz magnets from one had to the other or balance the tips on each other and hold them upside down to swing it like a pendulum. There are many other ways to enjoy these magnets and your imagination is the only limit. These 1 3/4 inch magnets create unusual and fun sounds and is a science experiment you won't be able to put down.