RI Novelty Magnetic Rattle Snake Eggs. 6 Packs with 2 Inside Each Pack 12 packs total 24 bullets Not only are they fun to play with, but they are also great for hand-eye coordination. FUN TO PLAY WITH! They dance, spin and even "sing"! When you toss them in the air The two hematite magnets fly and collide, wrestling for equilibrium in a clattering, buzzing, Cicada sounding collision until they land at rest