Submarine

What there is most of

• Brick Round 2 x 2 with Axle Hole · Red×4
• Brick Round 2 x 2, Pin Holes · Light Bluish Gray×4
• Plate Round 1 x 1 with Solid Stud · Trans-Yellow×4
• Technic Pin with Friction Ridges Lengthwise and Center Slots · Black×4
• Brick Round 2 x 2 Dome Top, Hollow Stud · Light Bluish Gray×2
• Brick Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole · Light Bluish Gray×2
• Plate Special 1 x 2 5.9mm Centre Side Towball Socket · Light Bluish Gray×2
• Plate Special 1 x 2 with 5.9mm Towball Socket and Towball · Dark Bluish Gray×2
• Technic Pin with Friction Ridges Lengthwise and Towball · Black×2
• Brick Round 4 x 4 Centre Hole · Red×1
• Dome Hemisphere 4 x 4 · Trans-Brown×1

The twenty most numerous parts, longest bar first. Start a checklist to see all 11 part types and tick them off as you find them.