UPDATE - they are out of the tumblers! Here is what they put on their website:
Oh no - we're sorry! We have reached our maximum number of giveaways for this offer.
As an apology, please use code PRNT30 to take 30% off your next purchase from LittleKidsInc.com or JunkBall.com.*
Parenting Magazine has an advertisement for a free no spill bubble tumbler this month!
Go here to request yours.