Make it Climb

Another ancient climbing mechanisme from the beginning of last century.
Print it, paint it, play it.
https://youtu.be/lZpnY0q91Ow
More climbing "Things"
http://www.thingiverse.com/thing:1916782
http://www.thingiverse.com/thing:1930503
http://www.thingiverse.com/thing:1943901