I will post a few of my favorite things tomorrow!

Critical thinkin series

I will continue making these.
http://FantasticContraption.com/?levelId=150082 #1
http://FantasticContraption.com/?levelId=150628 #2
http://FantasticContraption.com/?levelId=152810 #3
http://FantasticContraption.com/?levelId=154517 #5
http://FantasticContraption.com/?levelId=154642 #6
Enjoy!
feel free to put your own series in the comments