Made from rare earth, neodymium magnets, Speks magnetic ballsare possibly the most popular desk toy ever made. Speks are like magnetic putty, a stress ball and adult building blocks all in one. Mash them around for oddly satisfying stress relief or build a shape to unleash creativity.

• Includes: 512 magnet balls, carrying case, metal building base, plastic splitter card, 16 page starter guide
• Each ball measures 2.5mm in diameter
• For adults only. Do not give to children
• WARNING: Keep away from ALL children. Do not ingest magnets. Seek immediate medical attention if magnets are swallowed to avoid serious injury or death.
• Magnetic flux index less than 30