World's Biggest
Kids won't believe their eyes when they see these super-huge machines! From heart-stopping roller coasters that are as tall as a 45-story building to monster-size trucks with wheels that are ten feet (3 m) high, these enormous vehicles were built to be one thing--gigantic! Dazzling photos combined with fascinating information about these one-of-a-kind machines make this a thrilling new series for young readers.