Restaurant chain IHOP Corp. said Monday it has added four new items to its menu as part of its partnership with Twentieth Century Fox Animation's "Dr. Seuss' Horton Hears a Who!" film.
IHOP restaurants will feature the items, including Who-Cakes and green eggs and ham, from March 3 through April 20.
The movie opens at theaters throughout the U.S. on March 14.
IHOP shares fell sharply in morning trading.