Publisher's Synopsis
The Ferris wheel is a very simple entertainment facility that you can ride on, but if you look closely, you will find that there is a lot of knowledge hidden in it... A Ferris wheel in a building, a Ferris wheel that "travels" everywhere, a Ferris wheel with two cabins, etc. So how did the Ferris wheel come about? How does it have anything to do with the Eiffel Tower in Paris, France? Let this book satisfy your curiosity one by one!
