Get the fun rolling with the LeapBuilders® 123 Fix-It Truck™! Build, create and learn with this interactive 31-piece truck-themed block set. Kids can build using the easy-to-hold building blocks and double-sided learning blocks that feature tools and numbers. Insert the 15 double-sided learning blocks into the interactive Smart Star™ and it will respond with educational songs and encouraging phrases about numbers and colors that enhance building play with learning content. Build on the Smart Star™ cube to trigger sounds. Press the question button on the Smart Star™ to hear requests to find specific blocks in the set. The music button plays three learning songs and three melodies. Use learning blocks from other LeapBuilders® sets in the interactive cube to unlock additional content responses. Get building with smart blocks for smart kids. Batteries included for demo purposes only, new batteries recommended for regular use.