Among the items in this set are the Bumper Cars and Floating Rings to illustrate attraction and repulsion plus magnetic wands and iron filing cases to demonstrate magnetic fields. Contents: 4 Bumper Cars, 16 Ring Magnets, 2 Ring Stands, 4 Professors, 4 Magnetic Wands, 2 Rulers, 4 Iron Filing Cases and an Activity Book containing photocopiable pages.