These are all the Challenges I have participated in so far.
Click on the banners And you will go directly to all the posts in that challenge, I hope you find what you're looking for!

52 weeks Nail Art challenge started on October 2nd 2015 currently going on


http://polished-polyglot.blogspot.ch/search/label/Giardino d'inverno
Winter nail art challenged started in January 2014
http://polished-polyglot.blogspot.ch/search/label/33 Days Challenge
33 days of Nail art, from September 2013 through december 2013
 
http://polished-polyglot.blogspot.ch/search/label/Vintage Challenge
7 days on a row of really old nail polishes!


http://polished-polyglot.blogspot.ch/search/label/Tri-polish Challenge
From March through October 2013 nail art using three nail polishes



http://polished-polyglot.blogspot.ch/search/label/The Battle
Nail polish Challenge from November 2015 until March 2013