See pictures for what is included with this item.

This K'NEX Big Ball Factory Complete Set is a must-have for any construction or amusement park enthusiast. With its battery-powered electronic features, this set will keep you entertained for hours. The set comes in its original packaging with instructions included, making it a great addition to any K'NEX collection.

The set is perfect for ages 12 and up, and it is not retired. The product line is called Builder's Challenge and it is a complete set with all the necessary pieces to build your own amusement park. The set includes a variety of themes such as Construction, Architecture, and Roller Coasters. Get your hands on this K'NEX Big Ball Factory Complete Set now and create your own amusement park today!