By Dr. Marciene Mattleman

PHILADELPHIA (CBS) – If you’re not buying for youngsters this holiday, you may not realize how dolls have changed. Since Betsy Wetsy in the 30s drank from a bottle and then wet its diaper, dolls have become more interactive.

READ MORE: Amber Alert Issued For 6-Year-Old Sahara Little After Car Stolen Outside Germantown Pizza Shop

In a Wall Street Journal article on December 7th, Ann Zimmerman remembers that a while back, Elmo wanted to be tickled. Today hand him musical instruments so he can play and sing along with them. The Fijit doll utters 125 phrases responding via voice recognition to 30 commands.

READ MORE: North Philadelphia Community Welcomes Home 3-Year-Old Boy After Hit-And-Run That Also Killed Mother

The market is moving from “watch me” dolls to interactive ones, and while families are responding to their kids’ requests, the movement for play and creating is growing quickly too.

Building with blocks, seeing the consequences of their actions, and maybe revising, not only builds skills but can make hundreds of different fun structures that kids can call “mine.”

MORE NEWS: 3 People Shot Inside Bar In Philadelphia's Holmesburg Section, Police Say

Think about it. Blocks have excited kids for years.