These websites will help with the creation of your Rube Goldberg Machine.

1. Links to Use
About Rube Goldberg and contests
https://www.rubegoldberg.com/about/
Simple Machines
https://www.brainpop.com/science/energy/forces/
https://www.brainpop.com/technology/simplemachines/pulley/
https://www.brainpop.com/technology/simplemachines/levers/
https://www.brainpop.com/technology/simplemachines/wheelandaxle/
https://www.brainpop.com/technology/simplemachines/inclinedplane/
https://www.youtube.com/watch?v=LwdocPeew1c
https://www.youtube.com/watch?v=LAAwZird80k
This is a great site with examples of each
http://www.mikids.com/Smachines.htm

2. Examples of machines
https://www.youtube.com/watch?v=qYpVzqit1Xw
https://www.youtube.com/watch?v=kkJzwMhXZF4
https://www.youtube.com/watch?v=rvJoOfHTZqk
https://www.rubegoldberg.com/contests/history/
Too cool just to watch for fun….World Record Holder
https://www.rubegoldberg.com/contests/history/
Games
http://pbskids.org/zoom/games/goldburgertogo/realworld.html
http://brainpowerboy.com/play-and-learn-with-rube-goldberg-machines/