The Transformers Legacy United Thundertron, Nightstrike, Calcitron Leader Class 40 Y is a highly detailed action figure set featuring characters from the Transformers franchise. Made of plastic and standing at 8 inches tall, this original Hasbro product transforms and is part of the Voyager series. The set includes Thundertron, Nightstrike, and Calcitron, staying true to the theme of Transformers & Robots. Perfect for fans of the TV show or movie, this action figure set offers an exciting addition to any collection.