Sentry

What there is most of

• Plate 1 x 2 · Dark Bluish Gray×7
• Brick Wedged, Sloped 4 x 4 Pyramid Center · Dark Tan×4
• Plate Round 1 x 1 with Solid Stud · Trans-Neon Green×4
• Technic Pin with Friction Ridges Lengthwise and Center Slots · Black×4
• Technic Axle 2 Notched · Red×3
• Bar, 4 Top Bars, Palm Tree Top · Black×2
• Brick Round 1 x 1 with Fins, Open Stud · Dark Bluish Gray×2
• Brick Round 2 x 2 with Axle Hole · Dark Bluish Gray×2
• Brick Sloped 2 x 2 No Studs, with 3 Side Pistons Raised Edges · Black×2
• Brick Sloped 45° 2 x 1 Double / Inverted with Hollow Bottom · Black×2
• Cone 1 x 1 [No Top Groove] · Trans-Neon Green×2
• Hinge Brick 1 x 2 Locking with 2 Fingers Vertical End, 9 Teeth · Dark Bluish Gray×2
• Hinge Brick 1 x 4 Locking with 1 Finger Vertical End and 2 Fingers Vertical End, 9 Teeth · Light Bluish Gray×2
• Hinge Cylinder 1 x 2 Locking with 1 Finger and Axle Hole On Ends · Dark Bluish Gray×2
• Hinge Cylinder 1 x 3 Locking with 1 Finger and Technic Friction Pin with Round Hole · Black×2
• Hinge Plate 1 x 2 Locking with 2 Fingers On End, with Groove, 9 Teeth · Dark Bluish Gray×2
• Lever Small Base with Light Bluish Gray Lever · Black×2
• Plate 2 x 4 · Dark Bluish Gray×2
• Plate Special 2 x 2 with Grills · Black×2
• Technic Axle and Pin Connector Angled #1 · Black×2

The twenty most numerous parts, longest bar first. Start a checklist to see all 33 part types and tick them off as you find them.