Helicopter

What there is most of

• Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced · Light Bluish Gray×9
• Technic Axle 3 · Light Bluish Gray×6
• Technic Axle and Pin Connector Perpendicular · Black×5
• Technic Pin with Friction Ridges Lengthwise and Center Slots · Black×5
• Technic Axle 6 · Black×4
• Technic Beam 1 x 2 Thin · Black×4
• Technic Gear 12 Tooth Double Bevel · Black×4
• Technic Bush · Light Bluish Gray×3
• Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes · Lime×2
• Technic Beam 1 x 11.5 Double Bent Thick · White×2
• Technic Beam 1 x 4 Thin with Stud Connector · Black×2
• Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin · Black×2
• Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Small Squared Pin Holes] · Lime×2
• Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] · Light Bluish Gray×2
• Technic Rotor Blade Small with Hole and Axle Connector End · Dark Bluish Gray×2
• Propeller 3 Blades 5 Diameter, Pin Hole · Black×1
• Technic Axle 2 Notched · Red×1
• Technic Axle 7 · Yellow×1
• Technic Axle 9 · Light Bluish Gray×1
• Technic Axle Connector with Axle Hole · Dark Bluish Gray×1

The twenty most numerous parts, longest bar first. Start a checklist to see all 31 part types and tick them off as you find them.