Submarine

What there is most of

• Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip] · Dark Bluish Gray×4
• Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle · Dark Bluish Gray×4
• Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole · Light Bluish Gray×4
• Technic Pin Connector Hub with 2 Perpendicular Axles · Black×4
• Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Small Squared Pin Holes] · Light Bluish Gray×4
• Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [2 Lateral Holes, Small Pin Hole] · Light Bluish Gray×4
• Technic Pin with Friction Ridges Lengthwise with No Center Slots · Black×4
• Technic Axle 4 with Stop · Dark Bluish Gray×3
• Technic Axle Connector with Axle Hole [Reinforced] · Black×3
• Technic Beam 1 x 2 with Axle on Side · Black×3
• Technic Beam 1 x 5 Thick · Bright Light Orange×3
• Technic Beam 1 x 7 Thick with Alternating Holes · Black×3
• Technic Gear 16 Tooth Reinforced [New Style] · Light Bluish Gray×3
• Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot · Blue×3
• Brick Round 2 x 2 x 2 Robot Body, Axle Holder '+' Orientation · White×2
• Propeller 3 Blade 3 Diameter with Pin Hole · Black×2
• Technic Axle 3 · Yellow×2
• Technic Axle and Pin Connector Angled #2 - 180° · Bright Light Orange×2
• Technic Axle and Pin Connector Angled #3 - 157.5° · Black×2
• Technic Gear 12 Tooth Double Bevel · Black×2

The twenty most numerous parts, longest bar first. Start a checklist to see all 28 part types and tick them off as you find them.