The Lionel 6-12029 Fastrack Accessory Track Activator Pack is a must-have for O gauge model railroading enthusiasts. This pack includes activator track pieces that are designed to control the speed and direction of trains, adding an extra element of enjoyment to your model railroad setup. With the trusted Lionel brand behind it, you can be sure of high quality and durability. Perfect for enhancing your train layout, this track activator pack is a great addition to any collection.