Home Slickdeals Happy Hippo, Angry Duck: A Book of Moods (Board Book) $2.33 @... Slickdeals Happy Hippo, Angry Duck: A Book of Moods (Board Book) $2.33 @ Amazon & Walmart By ARCOM - 17 July 2020 117 0 SHARE Facebook Twitter Go to the deal page: Happy Hippo, Angry Duck: A Book of Moods (Board Book) $2.33 @ Amazon & Walmart