Peek A Boo - Hide And Seek Under The Sea With Bella And Beans. ESL learning with Bella and Beans. Do you like to play peek a boo? Do you like to play hide and seek? Bella and Beans love playing peek a boo. They are under the sea now playing hide and seek. Can you help Beans to find Bella who is hiding under the sea. Is she hiding behind the fish, among the crabs, or behind baby shark? Learning has never been so much fun. Peek a boo! Come on kids, play along & learn with Bella and Beans.