From Muppet Wiki

The Sesame Street Riddle Book is a pop-up book, in which pulling a tab or lifting a flap reveals the answer to a riddle. Most of the riddles are variations of old jokes, such as "Why does Farmer Grover wear suspenders?" (So his pants don't fall down).

Characters

• Ernie, Bert, Oscar the Grouch, Grover, Cookie Monster, Big Bird, Herry Monster, Roosevelt Franklin, Little Bird, Prairie Dawn, Sesame Street Monsters