I’m very grateful to someone for posting all the episodes of The Secret Life of Machines online. I LOVED this show when it was first on. A while back I actually looked to buy a dvd of the shows and couldn’t find it. This makes me so happy!
In the vacuum cleaner episode, Tim builds a magnet with a battery, nail and some wire. I remember doing that exact same thing just to prove to myself that it worked. I’ve also used that same demonstration with my nieces and nephews.