Join space explorer Diod-E on a mission to rescue tiny Aster the Sprout and return her to her alien home. This interactive book-plus-building experience combines a 64-page adventure story with over 100 LEGO brick elements and build challenges that advance the plot as you read. Complete missions to unlock brick bonuses, build exclusive models including a rocket and a 4-in-1 LEGO creation, and bring the story to life through creative problem solving. Endless build, rebuild, and play possibilities for ages 6 and up. Contains small parts — not suitable for children under 3.