"Art for the box and interior were provided by Sesame Street illustrator Michael J. Smollin. This set was followed by another Puppetforms set in 1980, Muppet Show Colorforms."@en . "Art for the box and interior were provided by Sesame Street illustrator Michael J. Smollin. This set was followed by another Puppetforms set in 1980, Muppet Show Colorforms."@en . . . "Ernie and Bert Puppetforms Theater"@en .