I found a kit (magnet + copper tube) here: http://www.teachersource.com/product/645/electricity-magnetism?gclid=CL7Vncu-sbwCFYZafgodbDAASg http://www.teachersou

I found a kit (magnet + copper tube) here: http://www.teachersource.com/product/645/electricity-magnetism?gclid=CL7Vncu-sbwCFYZafgodbDAASg http://www.teachersource.com/product/645/electricity-magneti... Not on the same scale, but appears to be designed to demonstrate the same concept.