Submarine

What there is most of

• Brick Round 4 x 4 Centre Hole · Red×3
• Wedge Plate 2 x 4 · Dark Blue×3
• Arm Mechanical with 2 Clips [Battle Droid] · Light Bluish Gray×2
• Bracket 1 x 1 - 1 x 2 · Light Bluish Gray×2
• Bracket 1 x 2 - 2 x 2 · Black×2
• Plate Round 4 x 4 with Pin Hole · Black×2
• Plate Special 1 x 1 Rounded with Handle · Light Bluish Gray×2
• Plate Special 1 x 2 Rounded with 2 Open Studs · Dark Blue×2
• Tile Special 1 x 2 Grille with Bottom Groove · Light Bluish Gray×2
• Bracket 1 x 2 - 2 x 2 Inverted · Light Bluish Gray×1
• Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end · Light Bluish Gray×1
• Dish 4 x 4 Inverted with Open Stud [Radar] · Trans-Light Blue×1
• Plate Round 1 x 1 with Solid Stud · Trans-Yellow×1
• Plate Special 2 x 2 x 2/3 with Axle Hole and Grill on Sides (Haybale) · Black×1
• Propeller 3 Blade 3 Diameter with Pin Hole · Black×1
• Tap 1 x 1 without Hole in Spout · Light Bluish Gray×1
• Technic Axle 2 Notched · Red×1
• Technic Pin without Friction Ridges Lengthwise · Light Bluish Gray×1
• Tile 2 x 4 with Groove · Black×1
• Tile Special Round 2 x 2 with Hole · Light Bluish Gray×1

The twenty most numerous parts, longest bar first. Start a checklist to see all 20 part types and tick them off as you find them.