From the best selling book Guess How Much I Love You this peek a boo Big Nutbrown Hare will keep little ones entertained for hours. Squeeze Big Nutbrown Hare's foot to play a game of Peek a Boo and he will move his arms to hide his eyes, say "Peek a Boo" and giggle, he has such an infectious giggle he is sure to have baby giggling along too!