This product is a huge lot of Mega Bloks and Halo Mega Construx building blocks that includes sets such as the KODIAK SIEGE, ELEPHANT, Pelican, and Yankee Squad. These interlocking blocks are made of plastic and come in a box packaging. The set is part of the Halo product line and features characters from the Halo franchise. With a bulk lot of pieces, this set offers plenty of options for building and creating your own Halo scenes and characters. HUNDREDS OF FIGURES AND VEHICLES!!