This is the best Rube Goldberg device I have ever seen. He made the impossible, possible.
[youtube https://www.youtube.com/watch?v=Ss-P4qLLUyk&w=850&h=478]
The second video shows the effort required to put it together
[youtube https://www.youtube.com/watch?v=CrMYhidZAOQ&w=850&h=478]