Have fun with this wonderful combination of green magnets! 512 silver colored rare earth magnets! 512 perfectly crafted miniature magnets meticulously designed for maximum fun. If you’re in need of a desktop distraction, an office status symbol or somewhere to store your nervous energy; then you should try speks! Made from rare earth magnets, speks magnetic balls are the most fun stress-relief desk toy around. Keep a set on your desk to be the envy of coworkers or carry ‘em in your pocket to break that pesky nail-biting habit. Make shapes with them, mash them, play with them! speks meet all toy and safety standards and are safe with proper use by anyone over the age of 14. Their magnetic flux index rating is less than 50, however speks should never be put near or in your nose or mouth.