The Boss

What there is most of

• Technic Axle 2 Notched · Black×7
• Technic Axle Pin without Friction Ridges Lengthwise · Light Gray×7
• Technic Bush · Light Gray×7
• Technic Beam 1 x 3 Thin · Dark Gray×6
• Technic Pin with Friction Ridges Lengthwise and Center Slots · Black×6
• Technic Axle 4 · Black×5
• Technic Axle 6 · Black×5
• Technic Bush 1/2 Smooth with Axle Hole Reduced · Light Gray×5
• Technic Axle 3 · Black×4
• Technic Axle and Pin Connector Perpendicular Double · Dark Gray×4
• Technic Beam 1 x 7 with Fan · Black×4
• Technic Pin Double with Axle Hole · Black×4
• Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] · Black×4
• Technic Axle 8 · Black×3
• Technic Axle Connector Ridged [with x Hole x Orientation] · Black×3
• Technic Axle Connector Ridged [with x Hole x Orientation] · Orange×3
• Technic Beam 1 x 5 Thin · Black×3
• Technic Block 3 x 5 x 1 2/3 with RoboRider The Boss Print · Dark Gray×3
• Technic Disc 3 x 3 · Black×3
• Technic Panel Fairing # 5 Small Short, Large Hole, Side A · Black×3

The twenty most numerous parts, longest bar first. Start a checklist to see all 37 part types and tick them off as you find them.