Inside Fisher-Price’s toymaker lab

Mattel’s (MAT) Fisher-Price unit makes products for the most finicky customers around: young kids. Most new toys are unveiled in February at a huge fair in Manhattan. The invention process, however, happens year-round, constantly. Here is how the company created one of its newer offerings, the Servin’ Surprises play table:

This story is from the February 25, 2013 issue of Fortune.