Just pulled from the K'NEX vault, the 3-in-1 Classic Amusement Park Building Set. One of the original K'NEX Building Sets, the 3-in-1 Classic Amusement Park replicates everything that K'NEX was built around and still stands for! Motorized movement sends the 744 classic K'NEX parts and pieces on a ride of a lifetime. Also included in the instructions booklet, is step-by-step instructions for two additional models-a Swing Ride and a Boom Ride. All models can be built one at a time. Celebrate almost 25 years of K'NEX with the 3-in-1 Classic Amusement Park Building Set. Ages 9+. Requires 2 "AA" batteries that are not included.