The LEGO Speed Champions Back to the Future Time Machine set (77256) is a new, sealed product that is sure to delight fans of both LEGO and the iconic film franchise. This plastic building toy allows builders to recreate the beloved time-travelling vehicle from Back to the Future, complete with Doc Brown's character. The set features the conversion capability, making it a versatile addition to any LEGO collection. With its high-quality construction and attention to detail, this LEGO set is a must-have for fans of the Back to the Future series.