# LEGO 9754-1 — Dark Side Developer Kit (2000)

Source: https://www.brickmissing.com/sets/9754-1-dark-side-developer-kit
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

## Set facts

- Set number: 9754-1
- Name: Dark Side Developer Kit
- Theme: Mindstorms › Star Wars
- Released: 2000
- Pieces: 578
- Distinct part + colour lots: 108
- Build difficulty: intermediate
- Repairability: 11.1% of this set's lots are hard to replace (12 of 108 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (108 lots, 578 pieces)

Prices are the official LEGO Pick a Brick price per individual part, where LEGO publishes one.

| Qty | Part | Colour | Part no. | LEGO element ID | LEGO price each |
| ---: | --- | --- | --- | --- | --- |
| 2 | Rubber Band 15mm [Square Cross Section] | Black | 23229 | 4141604 | — |
| 2 | Wedge Plate 3 x 6 Cut Corners | Light Gray | 2419 | 241902 | — |
| 16 | Plate Round 2 x 2 with Rounded Bottom [Boat Stud] | Black | 2654 | 4278359 | €0,07 |
| 4 | Technic Brick 1 x 10 [9 Pin Holes] | Light Gray | 2730 | 273002 | — |
| 44 | Technic Pin with Friction Ridges Lengthwise and Center Slots | Black | 2780 | 278026 | — |
| 2 | Technic Beam 1 x 4 Thin with Stud Connector | Black | 2825 | 6331570 | €0,21 |
| 1 | Technic Engine Crankshaft Center | Dark Gray | 2854 | 285427 | — |
| 4 | Wheel Rim 24 x 14 VR with Center Axle Hole | Black | 2994 | 4101713 | — |
| 16 | Plate 1 x 2 | Light Gray | 3023 | 302302 | — |
| 2 | Plate 1 x 2 | Dark Gray | 3023 | 302327 | — |
| 4 | Plate 2 x 8 | Dark Gray | 3034 | 303427 | — |
| 4 | Bar 4L (Lightsaber Blade / Wand) | Trans-Red | 30374 | 6507880 | €0,08 |
| 2 | Bar 4L (Lightsaber Blade / Wand) | Trans-Light Blue | 30374 | 6507882 | €0,08 |
| 2 | Bar 4L (Lightsaber Blade / Wand) | Trans-Neon Green | 30374 | 4124054 | — |
| 2 | Slope 45° 2 x 1 with Bottom Pin | Light Gray | 3040b | 304002 | — |
| 8 | Technic Pin 3/4 | Dark Gray | 32002 | 4109854 | — |
| 4 | Technic Beam 1 x 11.5 Double Bent Thick | Dark Gray | 32009 | 4141418 | — |
| 4 | Technic Axle and Pin Connector Angled #1 | Black | 32013 | 6284699 | €0,08 |
| 4 | Technic Axle and Pin Connector Angled #1 | Dark Gray | 32013 | 4140503 | — |
| 4 | Technic Axle and Pin Connector Angled #1 | Light Gray | 32013 | 4106376 | — |
| 4 | Technic Axle and Pin Connector Angled #5 - 112.5° | Black | 32015 | 6271346 | €0,21 |
| 4 | Technic Axle and Pin Connector Angled #3 - 157.5? | Black | 32016 | 6261386 | €0,13 |
| 4 | Technic Beam 1 x 5 Thin | Light Gray | 32017 | 4106885 | — |
| 2 | Technic Axle and Pin Connector Angled #2 - 180° | Black | 32034 | 6271869 | €0,11 |
| 6 | Technic Axle Connector with Axle Hole | Black | 32039 | 3203926 | — |
| 2 | Technic Axle Connector with Axle Hole | Light Gray | 32039 | 4106469 | — |
| 4 | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] | Dark Gray | 32054 | 4141437 | — |
| 5 | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] | Red | 32054 | 4125198 | — |
| 8 | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] | Black | 32054 | 3205426 | — |
| 16 | Technic Axle 2 Notched | Black | 32062 | 4109810 | €0,07 |
| 2 | Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin | Black | 32064a | 6178922 | €0,17 |
| 1 | Technic Steering Arm with 2 Pins | Black | 32069 | 4114671 | — |
| 2 | Technic Axle 5 | Black | 32073 | 4114740 | — |
| 11 | Technic Bush 1/2 Smooth with Axle Hole Reduced | Tan | 32123a | 4206210 | — |
| 8 | Technic Beam 2 x 4 L-Shape Thick | Black | 32140 | 6271825 | €0,15 |
| 2 | Technic Beam 1 x 7 with Fan | Dark Gray | 32177 | 4124033 | — |
| 2 | Technic Panel Fairing # 3 Large Long, Large Holes, Side A | Light Gray | 32188 | 4141576 | — |
| 2 | Technic Panel Fairing # 4 Large Long, Large Holes, Side B | Light Gray | 32189 | 4141575 | — |
| 2 | Technic Panel Fairing # 1 Large Short, Large Holes, Side A | Light Gray | 32190 | 4140340 | — |
| 2 | Technic Panel Fairing # 2 Large Short, Large Holes, Side B | Light Gray | 32191 | 4140341 | — |
| 4 | Technic Axle and Pin Connector Angled #4 - 135° | Dark Gray | 32192 | 4142293 | — |
| 8 | Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin | Black | 32250 | 6327162 | €0,42 |
| 2 | Technic Gear 20 Tooth Double Bevel with Axle Hole Type 2 [X Opening] | Light Gray | 32269 | 4141455 | — |
| 2 | Technic Gear 12 Tooth Double Bevel | Light Gray | 32270 | 4125322 | — |
| 2 | Technic Beam 1 x 9 Bent (7 - 3) Thick | Black | 32271 | 6276835 | €0,33 |
| 2 | Technic Beam 1 x 15 Thick | Black | 32278 | 4542573 | €0,42 |
| 8 | Technic Beam 1 x 15 Thick | Dark Gray | 32278 | 4142292 | — |
| 2 | Technic Axle and Pin Connector Perpendicular Double | Black | 32291 | 6280394 | €0,15 |
| 1 | Technic Beam 3 x 7 x 2 Fork 3 Fingers | Black | 32308 | 4140423 | — |
| 1 | Technic Block 3 x 5 x 1 2/3 | Dark Gray | 32310 | 4130191 | — |
| 2 | Technic Arm 1 x 7 x 3 with Gear Ends | Dark Gray | 32311 | 4140434 | — |
| 6 | Technic Beam 1 x 5 Thick | Dark Gray | 32316 | 4141430 | — |
| 4 | Technic Brick 4 x 4 with 2 x 2 Opening | Light Gray | 32324 | 4141499 | — |
| 8 | Technic Pin Connector Block 1 x 5 x 3 | Black | 32333 | 6271358 | €0,44 |
| 1 | Hub, Micro Scout with Red Buttons and Dark Gray Base | Light Gray | 32344c03 | — | — |
| 17 | Slope 33° 3 x 2 | Light Gray | 3298 | 329802 | — |
| 1 | Technic Gear 8 Tooth | Light Gray | 3647 | 364702 | — |
| 1 | Technic Gear 24 Tooth [New Style with Single Axle Hole] | Light Gray | 3648b | 364802 | — |
| 1 | Technic Gear 24 Tooth Crown with Reinforcements [New Style] | Light Gray | 3650c | 365002 | — |
| 1 | Plate 1 x 6 | Black | 3666 | 366626 | €0,17 |
| 1 | Plate 1 x 6 | Light Gray | 3666 | 366602 | — |
| 12 | Technic Pin without Friction Ridges Lengthwise | Light Gray | 3673 | 367302 | — |
| 8 | Technic Brick 1 x 4 [3 Pin Holes] | Light Gray | 3701 | 370102 | — |
| 6 | Technic Brick 1 x 4 [3 Pin Holes] | Dark Gray | 3701 | 4124040 | — |
| 4 | Technic Brick 1 x 8 [7 Pin Holes] | Dark Gray | 3702 | 4141471 | — |
| 9 | Technic Axle 4 | Black | 3705 | 370526 | €0,08 |
| 3 | Technic Axle 6 | Black | 3706 | 370626 | €0,12 |
| 7 | Technic Axle 8 | Black | 3707 | 370726 | €0,22 |
| 2 | Technic Axle 12 | Black | 3708 | 370826 | €0,27 |
| 1 | Technic Plate 2 x 4 [3 Holes] | Light Gray | 3709 | 370902 | — |
| 1 | Plate 1 x 4 | Light Gray | 3710 | 371002 | — |
| 8 | Technic Bush | Light Gray | 3713 | 371302 | — |
| 2 | Technic Axle 10 | Black | 3737 | 373726 | €0,25 |
| 34 | Technic Axle Pin without Friction Ridges Lengthwise | Light Gray | 3749 | 374902 | — |
| 2 | Plate 2 x 6 | Black | 3795 | 379526 | €0,19 |
| 8 | Plate 2 x 10 | Light Gray | 3832 | 383202 | — |
| 4 | Technic Brick 1 x 6 [5 Pin Holes] | Dark Gray | 3894 | 4124037 | — |
| 4 | Technic Brick 1 x 6 [5 Pin Holes] | Light Gray | 3894 | 389402 | — |
| 4 | Technic Brick 1 x 12 [11 Pin Holes] | Dark Gray | 3895 | 4141472 | — |
| 1 | Dish 4 x 4 Inverted [Radar] | Black | 3960 | 396026 | €0,24 |
| 2 | Technic Gear 16 Tooth with Round Holes [Old Style] | Red | 4019 | 4141812 | — |
| 2 | Technic Gear 16 Tooth with Round Holes [Old Style] | Light Gray | 4019 | 401902 | — |
| 8 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Light Gray | 4032a | 403202 | — |
| 4 | Technic Pin 1/2 | Light Gray | 4274 | 427402 | — |
| 2 | Slope 33° 3 x 1 | Light Gray | 4286 | 428602 | — |
| 11 | Technic Axle 3 | Black | 4519 | 451926 | — |
| 3 | Cone 1 x 1 [No Top Groove] | Trans-Red | 4589 | 618841 | — |
| 2 | Arm Piece with Pin, 2 Fingers | Black | 6048a | 604826 | — |
| 32 | Plate Round 1 x 1 with Solid Stud | Light Gray | 6141 | 614102 | — |
| 2 | Plate Round 1 x 1 with Solid Stud | Trans-Neon Orange | 6141 | 3005747 | — |
| 2 | Plate Round 1 x 1 with Solid Stud | Trans-Dark Blue | 6141 | 6514055 | €0,05 |
| 2 | Plate Round 1 x 1 with Solid Stud | Trans-Red | 6141 | 6208450 | €0,04 |
| 2 | Plate Round 1 x 1 with Solid Stud | Trans-Yellow | 6141 | 6514056 | €0,05 |
| 2 | Arm Piece with Pin, 3 Fingers | Black | 6217 | 4101774 | — |
| 6 | Technic Axle and Pin Connector Perpendicular | Black | 6536 | 6261371 | €0,10 |
| 8 | Technic Axle Connector Ridged [with x Hole x Orientation] | Dark Gray | 6538b | 4141426 | — |
| 24 | Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots | Black | 6558 | 655826 | — |
| 4 | Tyre 30.4 x 14 VR | Black | 6578 | 4561806 | — |
| 1 | Gearbox 4 x 4 x 1 2/3 with 1 x 2 Cutouts, Pin Holes | Black | 6585 | 6169982 | €0,73 |
| 3 | Technic Axle 3 with Stud | Dark Gray | 6587 | 4113884 | — |
| 7 | Technic Gear 12 Tooth Bevel | Red | 6589 | 4142298 | — |
| 2 | Technic Beam 1 x 9 Bent (6 - 4) Thick | Dark Gray | 6629 | 4124210 | — |
| 14 | Technic Beam 1 x 3 Thin | Black | 6632 | 6331723 | €0,25 |
| 7 | Technic Pin Connector Round [No Slot] | Black | 75535 | 75619 | — |
| 1 | Hose Rigid 3mm D. 3L / 2.4cm | Dark Gray | 75c03 | 4118604 | — |
| 4 | Hose Rigid 3mm D. 8L / 6.4cm | Dark Gray | 75c08 | 4125354 | — |
| 2 | Hose Rigid 3mm D. 16L / 12.8cm | Dark Gray | 75c16 | 4194678 | — |
| 4 | Hose, Ribbed 7mm D. 7L / 5.6cm | Pearl Light Gray | 78c07 | 4141522 | — |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/9754-1-dark-side-developer-kit
- Inventory data is based on official LEGO inventories via the Rebrickable catalog, updated daily.
- Part images, minifigure lists and related sets are on the set page: https://www.brickmissing.com/sets/9754-1-dark-side-developer-kit