Direct Connect released several sets of Muppet Babies plush from 1989 to 1991.
1989[]
The first set of dolls have vinyl faces and plush bodies.
The second set is entirely plush.
1990[]
The third set features a Baby Piggy plush with a vinyl head, called a "Mini Doll."
1991[]
The fourth set is labeled "Playtime". The dolls wear T-shirts, and the packaging features illustrations by Daryl Cagle.
The fifth set is called "When I Grow Up". Baby Kermit is pictured as a baseball player, and Baby Piggy as a ballerina. Each doll has a cloth book sewed to its hand on the occupational theme.