submarine is part of:

submarine contains:

Full expansion for submarine:
   100%  2x2 Round Tile w/ Submarine
   100%  2x2 Sloped Brick w/ Submarine Grid
    80%  1x2 Tile w/ Crosshair Sub Display
    50%  Technic Sub Sticker Sheet from 8250
    10%  4x4x2 Cowling w/ Axle Hole