Shop Target for Magnetic Construction Toys you will love at great low prices. Free shipping on orders of $35+ or same-day pick-up in store. Jul 22, · Feel Flux: a toy utilizing Lenz's Law- a very strong neodymium magnet falls slowly down a copper tube as though passing through a viscous liquid. Moving magnetic fields produce electric currents in a conductor (such as copper). These currents then produce magnetic fields that have the opposite polarity to the initial field.
Magnetic toys make for interesting and fun holiday and birthday gifts because they are the presents that keep on giving. Toy magnets are an essential component of science classrooms from early childhood through high school. When you place magnets on the table, students are intrigued and start 'playing.'.