Block Neodymium Magnet

This is a super strong block Neodymium magnet 40 mm x 20 mm x 10 mm. Known also as 'super' or 'neo' magnets and commercially available since 1984, these magnets are the smallest and most powerful of all permanent magnets. A combination of neodymium, iron and boron, they are a logical choice when extra strength in a reduced size is important. They are ideal for magic trick when you want to make metal objects disappear. Slip this into your card box or under your watch strap and you are ready to stun your audience. This is not a toy and should be treated with care! Keep out of reach of children and anyone carying a pacemaker.