​MEGA Halo Building Toy Set, FLEETCOM Mongoose ATV Vehicle with 79 Pieces, 2 Poseable Micro Action Figures and Accessories. An iconic Halo vehicle is reinterpreted for a new medium. The buildable Mongoose ATV from Halo: The Series is modeled after the version seen in the all-new television series. This Mongoose is authentically designed to capture the styling and details that make the model unique. It features rolling wheels plus space for 2 figures, including the included USNC Marine figure.