Superstructs Super Set A big 59 page Illustrated construction guide that shows you how to make models is included Makes Working Ferris Wheel, Carousel, Large Crane, Motorcycle, Boom Truck, Race Car Made of durable ABS, PE Plastic and EVA Foam and are dishwasher safe for easy cleaning For Ages and above. Wheels are called as connectors. Totally 34-Yellow connectors ; 8-Blue connectors." Moderate Difficulty rating