# LEGO 9748-1 — Droid Developer Kit (1999)

Source: https://www.brickmissing.com/sets/9748-1-droid-developer-kit
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

## Set facts

- Set number: 9748-1
- Name: Droid Developer Kit
- Theme: Mindstorms › Star Wars
- Released: 1999
- Pieces: 658
- Distinct part + colour lots: 127
- Build difficulty: easy
- Repairability: 15.7% of this set's lots are hard to replace (20 of 127 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (127 lots, 658 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 |
| ---: | --- | --- | --- | --- | --- |
| 4 | Tyre 30 x 10.5 Offset Tread | Light Gray | 2346 | 4112832 | — |
| 4 | Tile Special 1 x 2 Grille with Bottom Groove | Light Gray | 2412b | 241202 | — |
| 2 | Tile Special 1 x 2 Grille with Bottom Groove | White | 2412b | 241201 | €0,06 |
| 4 | Plate 2 x 2 Corner | Light Gray | 2420 | 242002 | — |
| 4 | Plate 2 x 2 Corner | White | 2420 | 242001 | €0,07 |
| 2 | Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs] | Black | 2444 | 244426 | — |
| 4 | Plate Round 2 x 2 with Rounded Bottom [Boat Stud] | White | 2654 | 4278271 | €0,07 |
| 4 | Technic Axle Towball | Light Gray | 2736 | 273602 | — |
| 2 | Technic Slope Long 1 x 6 with 3 Pin Holes | White | 2744 | 274401 | — |
| 34 | Technic Pin with Friction Ridges Lengthwise and Center Slots | Black | 2780 | 278026 | — |
| 7 | Technic Beam 1 x 4 Thin with Stud Connector | White | 2825 | 282501 | — |
| 1 | Technic Beam 1 x 4 Thin with Stud Connector | Light Gray | 2825 | 282502 | — |
| 2 | Technic Beam Triangle Thin [Type I] | White | 2905 | 290501 | — |
| 2 | Plate 2 x 4 | White | 3020 | 302001 | €0,15 |
| 4 | Plate 2 x 3 | White | 3021 | 302101 | €0,13 |
| 6 | Plate 2 x 2 | Light Gray | 3022 | 302202 | — |
| 7 | Plate 1 x 2 | Light Gray | 3023 | 302302 | — |
| 4 | Plate 1 x 2 | White | 3023 | 302301 | €0,08 |
| 2 | Plate 2 x 8 | White | 3034 | 303401 | €0,29 |
| 6 | Slope 45° 2 x 4 | White | 3037 | 303701 | €0,17 |
| 4 | Slope 45? 2 x 2 | White | 3039 | 303901 | €0,11 |
| 4 | Slope 45° 2 x 1 with Bottom Pin | White | 3040b | 4121932 | €0,10 |
| 4 | Slope 45° 2 x 2 Double Convex | White | 3045 | 4233370 | €0,13 |
| 2 | Tile 2 x 2 with Groove | White | 3068b | 306801 | €0,07 |
| 4 | Technic Brick 1 x 2 [2 Pin Holes] | White | 32000 | 3200001 | €0,10 |
| 16 | Technic Pin 3/4 | Dark Gray | 32002 | 4109854 | — |
| 3 | Technic Beam 1 x 11.5 Double Bent Thick | White | 32009 | 4125194 | — |
| 4 | Technic Beam 1 x 11.5 Double Bent Thick | Black | 32009 | 3200923 | — |
| 6 | Technic Axle and Pin Connector Angled #1 | White | 32013 | 6332573 | €0,08 |
| 4 | Technic Axle and Pin Connector Angled #1 | Black | 32013 | 6332570 | €0,08 |
| 4 | Technic Axle and Pin Connector Angled #6 - 90° | White | 32014 | 4125366 | — |
| 4 | Technic Axle and Pin Connector Angled #5 - 112.5° | White | 32015 | 6271349 | €0,21 |
| 2 | Technic Axle and Pin Connector Angled #3 - 157.5? | White | 32016 | 6261390 | €0,13 |
| 4 | Technic Beam 1 x 5 Thin | White | 32017 | 4125365 | — |
| 5 | Technic Beam 1 x 5 Thin | Light Gray | 32017 | 4106885 | — |
| 8 | Plate Special 1 x 2 with Door Rail | Light Gray | 32028 | 4109642 | — |
| 3 | Technic Axle and Pin Connector Angled #2 - 180° | Black | 32034 | 6271869 | €0,11 |
| 4 | Technic Axle and Pin Connector Angled #2 - 180° | White | 32034 | 6271870 | €0,11 |
| 6 | Technic Axle Connector with Axle Hole | Black | 32039 | 3203923 | — |
| 8 | Technic Axle Connector with Axle Hole | Light Gray | 32039 | 4106469 | — |
| 8 | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] | Red | 32054 | 4111958 | — |
| 8 | Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] | Black | 32054 | 3205423 | — |
| 4 | Technic Beam 3 x 3 L-Shape Thin | White | 32056 | 4112174 | — |
| 19 | Technic Axle 2 Notched | Black | 32062 | 4109810 | €0,07 |
| 8 | Technic Beam 1 x 6 Thin | Light Gray | 32063 | 4114200 | — |
| 2 | Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Ridges | Tan | 32064c | 4133586 | — |
| 1 | Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Ridges | Tan | 32064c | 4133586 | — |
| 2 | Technic Beam 1 x 7 Thin | Light Gray | 32065 | 4114567 | — |
| 2 | Technic Axle and Pin Connector Perpendicular 3L with Pin Hole | Light Gray | 32068 | 4114669 | — |
| 2 | Technic Steering Arm with 2 Pins | Black | 32069 | 4114671 | — |
| 5 | Technic Axle 5 | Black | 32073 | 4114740 | — |
| 21 | Technic Bush 1/2 Smooth with Axle Hole Reduced | Tan | 32123a | 4206210 | — |
| 5 | Technic Axle and Pin Connector Toggle Joint Smooth | Light Gray | 32126 | 4112931 | — |
| 4 | Technic Pin Double with Axle Hole | White | 32138 | 4118979 | — |
| 5 | Technic Beam 2 x 4 L-Shape Thick | Light Gray | 32140 | 4121620 | — |
| 2 | Technic Gearbox Half | White | 32166 | 4119293 | — |
| 2 | Large Figure Skeletal, Limb, Angular, 2 x 7 with 2 Ball Joints | White | 32173 | 4120124 | — |
| 4 | Technic Axle Connector 2 x 3 with Ball Socket, Open Sides | White | 32174 | 4125555 | — |
| 2 | Technic Connector Block 3 x 3 Triangular with Axle, and Pin Hole | White | 32175 | 4125367 | — |
| 2 | Technic Beam 1 x 7 with Fan | Black | 32177 | 4125368 | — |
| 2 | Technic Beam 1 x 7 with Fan | White | 32177 | 4119338 | — |
| 2 | Technic Panel Fairing # 3 Large Long, Large Holes, Side A | White | 32188 | 4125363 | — |
| 2 | Technic Panel Fairing # 4 Large Long, Large Holes, Side B | White | 32189 | 4125364 | — |
| 4 | Axle Hose, Soft 11L | White | 32199 | 4125556 | — |
| 4 | Axle Hose, Soft 11L | Dark Gray | 32199 | 4125557 | — |
| 1 | Axle Hose, Soft 12L | Light Gray | 32200 | 4125558 | — |
| 1 | Axle Hose, Soft 19L | Light Gray | 32235 | 4125559 | — |
| 3 | 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 | Light Gray | 32271 | 4125561 | — |
| 7 | Technic Beam 1 x 9 Bent (7 - 3) Thick | White | 32271 | 6276842 | €0,33 |
| 1 | Technic Turntable 4 x 6 Complete Assembly (Mindstorms) | Black | 32273c01 | 4128503 | — |
| 1 | Hub, Micro Scout with Blue Buttons and Dark Gray Base | White | 32344c01 | 4142783 | — |
| 4 | Wheel with Split Axle hole | Light Gray | 3482 | 348202 | — |
| 2 | Plate 1 x 3 | Light Gray | 3623 | 362302 | — |
| 1 | Technic Gear 8 Tooth | Light Gray | 3647 | 364702 | — |
| 3 | Technic Gear 24 Tooth [New Style with Single Axle Hole] | Light Gray | 3648b | 364802 | — |
| 5 | Technic Brick 1 x 2 [1 Pin Hole] | White | 3700 | 370001 | €0,12 |
| 12 | Technic Brick 1 x 4 [3 Pin Holes] | White | 3701 | 370101 | €0,17 |
| 2 | Technic Brick 1 x 8 [7 Pin Holes] | White | 3702 | 4582543 | €0,36 |
| 4 | Technic Brick 1 x 16 [15 Pin Holes] | White | 3703 | 4508661 | €0,82 |
| 12 | Technic Axle 4 | Black | 3705 | 370526 | €0,08 |
| 9 | Technic Axle 6 | Black | 3706 | 370626 | €0,12 |
| 3 | Technic Axle 8 | Black | 3707 | 370726 | €0,22 |
| 1 | Technic Axle 12 | Black | 3708 | 370826 | €0,27 |
| 6 | Plate 1 x 4 | White | 3710 | 371001 | €0,12 |
| 2 | Plate 1 x 4 | Light Gray | 3710 | 371002 | — |
| 17 | Technic Bush | Light Gray | 3713 | 371302 | — |
| 2 | Technic Axle 10 | Black | 3737 | 373726 | €0,25 |
| 33 | Technic Axle Pin without Friction Ridges Lengthwise | Light Gray | 3749 | 374902 | — |
| 2 | Plate Special 1 x 2 with 1 Stud without Groove (Jumper) | Light Gray | 3794a | 379402 | — |
| 2 | Plate 2 x 10 | Light Gray | 3832 | 383202 | — |
| 8 | Technic Brick 1 x 6 [5 Pin Holes] | White | 3894 | 389401 | €0,29 |
| 4 | Technic Gear 16 Tooth with Round Holes [Old Style] | Light Gray | 4019 | 401902 | — |
| 1 | CD-Rom, for 9748 | Unknown | 4128535 | — | — |
| 4 | Technic Wedge Belt Wheel [aka Pulley] | Light Gray | 4185 | 4100502 | — |
| 12 | Technic Pin 1/2 | Light Gray | 4274 | 427402 | — |
| 2 | Slope Inverted 34° 3 x 1 without Internal Stopper | Tan | 4287a | 4240113 | — |
| 4 | Plate 1 x 10 | White | 4477 | 447701 | €0,16 |
| 19 | Technic Axle 3 | Black | 4519 | 451926 | — |
| 1 | Technic Worm Gear | Light Gray | 4716 | 471602 | — |
| 2 | Dish 2 x 2 Inverted [Radar] | White | 4740 | 474001 | €0,05 |
| 1 | Technic Panel Dome 6 x 6 x 5 2/3 with R2-D2 No Eye Print | Metallic Silver | 51pr0001 | 4128501 | — |
| 1 | Technic Panel Dome 6 x 6 x 5 2/3 with R2-D2 Eye Print | Metallic Silver | 51pr0002 | 4128502 | — |
| 2 | Plate Round 1 x 1 with Solid Stud | Trans-Red | 6141 | 6208450 | €0,04 |
| 18 | Plate Round 1 x 1 with Solid Stud | Light Gray | 6141 | 614102 | — |
| 11 | Technic Axle and Pin Connector Perpendicular | Light Gray | 6536 | 4173667 | — |
| 14 | Technic Axle and Pin Connector Perpendicular | White | 6536 | 6261372 | €0,10 |
| 2 | Technic Axle and Pin Connector Perpendicular | Black | 6536 | 6261371 | €0,10 |
| 4 | Technic Axle Connector Ridged [with x Hole x Orientation] | Black | 6538b | 4107802 | — |
| 10 | Technic Axle Connector Ridged [with x Hole x Orientation] | White | 6538b | 4100407 | — |
| 6 | Technic Brick 1 x 1 with Pin Hole | Light Gray | 6541 | 654102 | — |
| 20 | Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots | Black | 6558 | 655826 | — |
| 3 | Technic Axle 3 with Stud | Dark Gray | 6587 | 4113884 | — |
| 6 | Technic Gear 12 Tooth Bevel | Light Gray | 6589 | 658902 | — |
| 12 | Technic Beam 1 x 3 Thin | White | 6632 | 6360038 | €0,25 |
| 2 | Technic Beam 1 x 3 Thin | Light Gray | 6632 | 4107825 | — |
| 4 | Tile 1 x 6 with Groove | White | 6636 | 663601 | €0,13 |
| 4 | Technic Flex Cable End - Ball Connection with Cage | Black | 6644 | 664426 | — |
| 2 | Rubber Band Small 13mm (Square Cross Section) | Black | 71509 | 4107153 | — |
| 2 | Technic Pin Connector Round [No Slot] | White | 75535 | 75535 | — |
| 2 | Hose Rigid 3mm D. 3L / 2.4cm | Dark Gray | 75c03 | 4118604 | — |
| 2 | Hose, Ribbed 7mm D. 4L / 3.2cm | Light Gray | 78c04 | 4125376 | — |
| 1 | Hose, Ribbed 7mm D. 8L / 6.4cm | White | 78c08 | 4125374 | — |
| 2 | Hose, Ribbed 7mm D. 8L / 6.4cm | Black | 78c08 | 4125375 | — |
| 2 | Technic Rubber Belt Medium [26mm ID] [Round Cross Section] | Black | 85545 | 4286126 | — |
| 2 | Technic Flex Cable 5L | Light Gray | flex08c05 | — | — |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/9748-1-droid-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/9748-1-droid-developer-kit