Mini Magnetics Tube Magnets provide hours of fun! This kit contains a number of different magnets, some metallic objects and iron filings. The simple instructions explain a number of fascinating experiments, interesting tricks and games to play. A great introduction to magnetism. Contents: Instruction sheet Magnets Iron sand Paper clips Nail Wooden Stick Discovery Tubes are compact science kits, designed to provide easy experiments and entertaining lessons using the items in the tube and common household goods. They're fantastic for school projects, day care providers and summer camps.