The LEGO Iron Man Mech vs. Ultron set (76307) is a 101-piece plastic construction toy in the Super Heroes LEGO theme. It features a complete set with Iron Man Mech and Ultron characters, perfect for fans aged 7 and above. The set includes detailed instructions for assembly and comes in a box packaging. With its impressive dimensions of 9.37 inches in length, 6.73 inches in width, and 6.1 inches in height, this LEGO set offers an engaging building experience for anyone interested in superhero adventures.