Shrunken Headquarters

What there is most of

• Wheel 14mm D. x 9.9mm with Centre Groove, Fake Bolts and 6 Spokes · Light Bluish Gray×6
• Brick Round 1 x 1 Open Stud · Trans-Light Blue×3
• Plate Special 2 x 2 with Wheel Holders · Black×3
• Technic Pin without Friction Ridges Lengthwise · Light Bluish Gray×3
• Plate 2 x 3 · Dark Purple×2
• Plate 2 x 4 · Black×2
• Plate Round 1 x 1 with Solid Stud · Yellow×2
• Plate Special 1 x 2 with Pin Hole Underneath · Light Bluish Gray×2
• Technic Beam 1 x 3 Thick · Dark Bluish Gray×2
• Technic Pin Connector Round 1L [Beam] · Black×2
• Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots · Blue×2
• Wheel 18 x 14 with Pin Hole, Fake Bolts and Shallow Spokes · Light Bluish Gray×2
• Brick Curved 2 x 1 No Studs [1/2 Bow] · Dark Purple×1
• Brick Curved 2 x 1 No Studs [1/2 Bow] · Dark Bluish Gray×1
• Brick Round 2 x 2 with Axle Hole · Black×1
• Brick Special 1 x 2 with 2 Pins, Round Pin Holes · Dark Bluish Gray×1
• Handlebars · Dark Bluish Gray×1
• Launcher, 1 x 4 with 1 x 2 Plate with Pin Hole and Bucket (Catapult) · Dark Brown×1
• Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) · Light Bluish Gray×1
• Plate Special 1 x 2 with 5.9mm Centre Side Towball · Dark Bluish Gray×1

The twenty most numerous parts, longest bar first. Start a checklist to see all 25 part types and tick them off as you find them.