1/72 Scale. Measures 42 inches long when complete with 45 detailed parts, Features an accurate teardrop-shaped hull. photo-etched metal main sea water suctions and discharges include hull numbers and ship names for all 6 skipjack class submarines. Highly detailed navigational and communications array, featuring antennae, periscope, and snorkel. The model is convertible for radio control. Skill level 2.