Making the Longest 1:1 Lego Gear Train

Wanted to make a long gear train where all the gears visibly rotate. Using only Lego parts. Restriction: the first gear and the last gear must rotate at the same speed (gear ratio = 1:1). Enjoy!

Music:
Alpha Polaris by Anders Enger Jensen
https://www.youtube.com/watch?v=KZ8raMvOlMA