A comprehensive selection of magnets and materials supplied in a plastic container for convenient storage.The kit Includes:Alnico bar magnets,Alnico button magnets,Round and square alcomax bars,Ferrite blocks and rings,Chrome steel horseshoe magnet,Alnico horseshoe magnet,Iron filings bubble,Pair of plastic-cased bar magnets,Coloured squares of magnetic rubber,Chrome steel bars,A metal disc setPlotting compasses.Dimensions of the case: 320mm x 220mm x 50mm.Age: Suitable for use with children under adult supervision.