This product is a bulk lot of LEGO TECHNIC parts, including lift arms, pins, beams, and other pieces. The lot weighs 1/2 pound. The set is multicolored and made of plastic, suitable for ages 6 and up. The set is ideal for those interested in building and is part of the MINDSTORMS subtheme. The set comes in a box and is a random assortment of bricks, pieces, and parts.