Weird. The link didn't work last night when I posted. Now it does. Meh, Thats the internet for ya.

http://3dprint.com/49575/ninjaflex-easter3gg-contest/

All submissions must be uploaded to NinjaFlex's Facebook, Twitter or Pinterest channels with hashtag #Easter3gg. Entries will be judged on creativity, design, quality and uniqueness.Entries can be submitted between 1st March and 31st March at 11:59 UTC, team efforts are also welcome.
Guess that leaves me out. I don't partake of the (anti)social sites. No alternative entry method. So, anyone without FB or Twit accounts won't be playing.