Marcus walks on his tiptoes and amuses himself by dumping liquid from sippy cups and containers.

CNN: Autism parents' plea: Understand kids' meltdowns

Generation Z grew up with technology right along side their Sippy cups.

FORBES: Follow the 'Flipped Classroom' Model in Business Presentations

But Rymer's roots-rockin' slices of family life, the Beasties' energetic and fun Americana songs, and the Sippy Cups' set of originals inspired by '60s and '70s rock were outstanding in their own right.

NPR: Zooglobble Favorite Kids' Albums of 2006

According to the Food and Drug Administration, bisphenol A, or BPA, isn't an approved substance for use in baby bottles and children's sippy cups due to a change in FDA regulations that reflects the fact manufacturers no longer use BPA in the products.

WSJ: Corrections & Amplifications

There is no good reason this country should continue to expose our children to a chemical that is known to disrupt the way our hormones work when there are safe, BPA-free alternatives available for baby bottles, sippy cups, and baby food and infant formula packaging.

CNN: Ban unsafe chemical from baby bottles and cups