Prefer matte? Check out Matte Speks. Made from rare earth, neodymium magnets, Speks magnetic balls are possibly the most popular desk toy ever made.
Speks 2.5mm Magnet Balls
9 Bouncing Balls of Carbon: The Discovery and Promise of Fullerences, A Positron Named Priscilla: Scientific Discovery at the Frontier
NanoDots & BuckyBalls: Build a Simple Ball
Magnet Balls How To: The Buckyball - Speks
216pcs Dia 5mm Red Magnetic Balls Buckyballs Nanodots - MPCO Magnets
Magnetic bucky balls (3mm/5mm) – A Little Ripple
Various Color Magnetic Steel Balls Nicklem Au Ag Zn Coating Stress Relief Products
Small NdFeB Magnet Buckyball Magnet Cube Magnetic Ball Toys for Kids - China DIY Toy, Kids Toy
216x5mm Purple Magnetic Spheres & Balls MagCube neoClicks - MPCO Magnets
Playing with 1000 mini magnetic balls! (pt. 2, ASMR with 1000 oddly satisfying buckyballs)