The sheet is often used to find out the direction of the poles of a magnet (not north vs

made of artificial wood and with neodymium magnets in the bottom

is standard for office magnets

but it doesn't make much sense

Metal-tavler "FLEX STRIP" 19 cm., Sort (6-pak) ludo mini The sheet is often usedTurn your wall into a stylish black magnetic board with these black Element Flex Strip. From a series of flexible magnetic boards from Trendform. The metal strips are made with PVC coated metal discs that can be attached to walls, cabinets or other smooth surfaces creating a modern alternative to a traditional full sized magnetic board. Each strip has a self adhesive back that can easily be put up different places e. g. on a wall or a kitchen cabinet