Why not making an electromagnet by our-self :
https://www.youtube.com/watch?v=Mjq2jPJ_7bc
https://www.youtube.com/watch?v=rKbXUilH9Ao&feature=BFa&list=PL8298488D996BF003&lf=results_main
and maybe later we will be able to control the magnet field enought to let the material “fly” in levitation at the desired point: