Make sure to like them on facebook.
They also have a sweepstakes/giveaway going on, you can see their page for details.
But when entering, you will automatically get a free Crayola Toothbrush Twinpack if you get 5 friends to enter under you.
When you sign up, you get a unique link to share. If 5 people sign up using your link, you get one free!
When you refer 5 friends, make sure you click “unlock” when you check your status.
You will then get a form to fill in your mailing address so it can be shipped to you.
Follow the link above in this post. Full rules/details are on their page.
Ends 4:59 p.m. EST on July 22, 2014. 50 USA & D.C. 18+ yo.
Disclaimer: This is not a paid or sponsored post.