Here is a link anyhow of the type of levitating toy i described:
I will, after this post search the web for a teardown but please have a look at this for now.
In response to Herch i honestly don't know the answers to your questions I am afraid. It is described as a magnet in some videos but...
I don't own one of these magnetic globes btw. Its just a toy so i don't really think the manufacturer really wants to run a lot of electricity through it. It only needs to hover a centimeter or so. Its just a low powerd toy.
But i was imagining a home built version something like 10 inches in...
Layman speaking here..
I have for a while been interested in a small desk toy. It is a magnetic levitating globe.
There is a doughnut shaped electromagnet at the base which according to the internet is a toroid. Within the globe sits a disc shaped neodymium magnet.
The globe hovers barely a...