Sixteen animals that go "oink, oink," "snort, snort," "cock-a-doodle-doo," and more appear in the farmer's barnyard when the blank spaces are rubbed with a pencil. Dover Original.
Invisible Farm Animals Magic Picture Book by Becky Radtke Make 16 "invisible" farm animals appear with a few magical rubs of a pencil. Rhyming captions accompany each drawing.
Learning About Farm Animals by Jan Sovak Youngsters read about a rooster, hen, goat, cow, horse, dog, cat, rabbit, pig, sheep, duck, and donkey and apply a full-color sticker illustration to the appropriate blank space.
