Among the items in this set are the Bumper Cars (50183) and Floating Rings (50185) to illustrate attraction and repulsion plus Magnetic Wands and Iron Filing Cases to demonstrate magnetic fields.
 
Single Set Contents: 2 x bumper bars, 8 x ring magnets, 1 x ring stands, 2 x professors, 2 x magnetic wands, 1 x ruler, 2 x iron filings cases and an activity book containing photocopiable pages.