NM box is 3x4x1" deep. Complete premium includes folder which opens to 4x4-3/8”. Front shows “How To Have More Fun With Your Viking Rockets” while inside has photos and text about the actual “Martin Viking Rocket” which set altitude records at White Sands Proving Ground, New Mexico. Back of the folder promotes Post’s Krinkles cereal and provides order form for additional rockets with expiration date of June 30, 1952. Folder has two folds as originally packaged. Couple tiny edge nicks. The premium itself consists of a 1-1/8” dia. base inscribed “Rocket Launcher.” This has a raised pin at center surrounded by a spring and plastic piece which serves to depress the spring and lock it into position. The set comes with all 3 miniature rockets each inscribed “Viking” and the white one glows in the dark. Each has a small hole in the base so it can be fitted on the launching pin and then shot into the air. A historic premium related to America’s effort to explore space. Rare. Only our second complete example.