3rd ESO- more about inventions: the world´s craziest inventions

Take a look at all these sites, choose one invention and write about it on your notebook.
1. What kind of object is it?
2. What is it used for?
3. Did it become successful?


http://crazy-picsblog.blogspot.com.es/2009/02/30-worlds-strangest-inventions.html
https://www.youtube.com/watch?v=IVeduVFx-xU (video )