This kit will make 4 each, mark 5 rockets. Formed in two halves from .020 plastic . The maximum length is listed but can be shortened to fit your needs and scale. All the kits require assembly and painting. Plastic model cement, acrylic or enamel paints are recommended however, polyurethane coatings can be used if applied in thin coats. Note: these are static models only! Installing model rocket motors is not recommended!