| CLOSEOUT SALE! |
|NOW $16.50 (was 32.95) |
Create currents and discover gravity while exploring the theory of Lentz's Law. Incudes 12 in. tube in copper, aluminum and acrylic,  neodymium magnets, ceramic magnets, steel slug, paper clips, steel shapes, iron fillings,  unpainted ring magnets, pencil,  rubber couplings and comprehensive booklet .