Packed with creative, kid-friendly STEM activities, the Questioneers Big Project Books are available for the first time in a 4-book boxed set! Featuring art from the beloved New York Times bestselling picture books, this activity book set contains kid-friendly projects of all kinds and is the perfect gift for curious young readers! Includes Rosie Revere's Big Project Book for Bold Engineers, Iggy Peck's Big Project Book for Amazing Architects, Ada Twist's Big Project Book for Stellar Scientists, and Sofia Valdez's Big Project Book for Awesome Activists. Follow Iggy Peck, Rosie Revere, Ada Twist, Sofia Valdez, and Aaron Slater on all of their adventures! Add the picture books, chapter books, and activity books starring The Questioneers by Andrea Beaty and David Roberts to your family library today.