The Vintage K'NEX T-Rex Master Set from 2014 is a retired gear building set featuring a motor and chain link piece type. This multi-color set, part of the K'NEX theme, is designed for ages 8 and up and includes the iconic T-Rex character from the dinosaur theme. With features such as My Own Creation (MOC), electronics, and vintage appeal, this set offers a unique and engaging building experience for fans of building toys and dinosaur enthusiasts alike. Made in the United States, this set comes in a box packaging and is a valuable addition to any collection of building toy complete sets and packs.