I was fortunate enough to obtain an entire collection of hand puppets. They were used by a Teacher of the Year in an elementary school from 1970s to early 2000. I am unsure of the exact ages of these puppets.
1 Russ Berrie brand
When hand is inserted, it brings that mouth alive and opens to a red felted mouth and tongue.
Plush
1977 Russ BURP Hand Puppet Green Furry Monster Frog Muppet Style. Made by Russ, dated 1977. Measures approx 10" long. Pompom style eyes.