Perplexus Form

This is a form to test your Perplexi knowledge.
https://drive.google.com/open?id=1np2f_bPNajk5ssYKe8U8OP0MGpHkMupQDkmoO-lfyOg&authuser=0

Perplexus Twist

Recently I got a Perplexus twist. It is like other perplexi but it has a new "twist".  You twist the knobs on the globe to line up the tracks. Here it is:

   Here is the original perplexus:

Movie

Recently for a merit-badge pow-wow I made this movie:
https://drive.google.com/open?id=0B72-orj03eFMTVh2NTUwMjlDLVE&authuser=0
I hope you like it.