Science Buddies: "Ask an Expert"

hello...i really need help to make a working model of a maglev train!!!!could you please tell me how to make this work on the principle of repulsion....how do i keep the train on the guiderails and not let it move off????Thank you!!!

If you do a Google search on "maglev train model" you will find many web pages that give you advice on what you need. The first site that comes up seems quite helpful: http://www.glencoe.com/sec/science/webq ... ains.shtml