Atlantis Kit #H273. 1/175 scale. This Atlantis re-issue of the modified B-52 and X-15 was released in 2019 produced from original Revell molds. Model kit includes two aircraft; B-52 mother plane and X-15 project aircraft, display stand and a total of 40 parts. B-52 is approximately 11 in. long with a wing span of 13 in.