Race into fun with the LeapBuilders Soar & Zoom Vehicles! Build, create and learn with this 22-piece vehicle-themed block set. Kids can build using the easy-to-hold building blocks and double-sided learning blocks that feature shapes to build a helicopter, truck, boat and train or mix them to create new vehicles. For even more fun, combine with other LeapBuilders sets (sold separately) that include an electronic Smart Star cube. Insert the six double-sided learning blocks into the interactive Smart Star and it will respond with fun sounds, educational songs and encouraging phrases that enhance building play with learning content. Get building with smart blocks for smart kids! Intended for ages 2+ years.