Play-Doh by Playskool.
I have tons of different Play-Doh videos. Some are reviews on the Play-Doh playsets and some videos are on how to make different cartoon characters out of play dough.

Here is a list of my favorite Play-Doh toys:
Play Doh Monkey Coco-Nutty Play Set with Littlest Pet Shop toys
Play Doh Sweet Shoppe Lollipops Disney Cars McQueen Mater Twirl 'n Twister
Play Doh Mr. Potato Head
Play Doh Sofia the First from Disney Junior
My Little Pony Play Doh Pinkie Pie Pretty Parlor
Cookie Monster Sweet Shoppe Bakin' Creations Play-Doh
Play-Doh Diggin Rigs Tonka Chuck & Friends Chomper The Excavator
Play Doh Dough Sweet Shoppe Perfect Twist Ice Cream Treats
Play Doh Disney Prettiest Princess Ariel Playset
Play-doh Diggin' Rigs Construction Tonka Chuck Brick Mill Front Loader
Play-Doh Hungry Hungry Hippos Play set
Play-Doh Tonka Chuck Diggin Rigs Grinding Gravel Yard Dump Truck Play Set less