Four familiar Boynton board books: "But Not the Hippopotamus, The Going to Bed Book, Horns to Toes, " and "Opposites" are packaged in a full-color slipcase. per book.

Four familiar Boynton board books: "But Not the Hippopotamus, The Going to Bed Book, Horns to Toes, " and "Opposites" are packaged in a full-color slipcase. per book.

These four favorite board books from beloved and bestselling Sandra Boynton are now available in one hilarious set

The Big Yellow Box includes:

*The Going to Bed Book

Horns to Toes

Opposites

But Not the Hippopotamus* It's a perfect collection for terrific little kids.