Kabaya released sets of two blue, pink and yellow character rubber stamps in boxes of milk caramels in 1987. Characters in the set were:

Miiko, Chem, Tall, Caty, Galileo, Sazan Lettuce, Martha, Airi, Mark, Leonoardo, ???

Airi

Chem

 

Galileo

Leonardo

Lettuce

Lily?

Mark

Martha

Miiko

Sazan

Tall

Caty and some other unknown ones.