Baby Rube's Opposites (A Rube Goldberg Book)This inventive board book combines the STEAM themes and hilarious hijinks of the Rube Goldberg brand with a unique and exciting format to explore the key concept of opposites in a whole new way. On one side of the accordion fold pages, discover 12 pairs of oppositesfrom hot and cold to young and old, and shallow and deep to awake and asleep. Turn the book over to discover Baby Rube Goldbergs hilarious and out of the box invention that includes all 12