The preschool set's favorite classroom pets are here! Youngsters can collect and play with more than 60 stickers featuring Linny the Guinea Pig, Turtle Tuck, and Ming-Ming Duckling as they work together to save baby animals around the world.The preschool set's favorite classroom pets are here! Youngsters can collect and play with more than 60 stickers featuring Linny the Guinea Pig, Turtle Tuck, and Ming-Ming Duckling as they work together to save baby animals around the world.