Mechanical Engineering Set
LEGO 9665-1 · 2001 · 315 listed pieces · Technic
Explore the parts and colours recorded for this set.
Parts inventory
| Part | Name | Colour | Quantity |
|---|---|---|---|
| 2780 | Technic Pin with Friction Ridges Lengthwise and Center Slots | Black | 24 |
| 3713 | Technic Bush | Light Gray | 24 |
| 3673 | Technic Pin without Friction Ridges Lengthwise | Light Gray | 18 |
| 32123b | Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced | Light Gray | 12 |
| 3749 | Technic Axle Pin without Friction Ridges Lengthwise | Light Gray | 12 |
| 3482 | Wheel with Split Axle hole | Yellow | 10 |
| rb00168 | Rubber Band Medium (Square Cross Section) Thin Cut | Black | 9 |
| 3001 | Brick 2 x 4 | Blue | 8 |
| 32002 | Technic Pin 3/4 | Dark Gray | 8 |
| 3700 | Technic Brick 1 x 2 [1 Hole] | Blue | 8 |
| 3709 | Technic Plate 2 x 4 [3 Holes] | Light Gray | 8 |
| 3023 | Plate 1 x 2 | Yellow | 7 |
| 3703 | Technic Brick 1 x 16 [15 Holes] | Blue | 6 |
| 85544 | Technic Rubber Belt 24mm | Red | 5 |
| 85545 | Technic Rubber Belt Medium [26mm ID] [Round Cross Section] | Blue | 5 |
| 85546 | Technic Rubber Belt 33mm | Yellow | 5 |
| 2346 | Tyre 30 x 10.5 Offset Tread | Black | 4 |
| 3023 | Plate 1 x 2 | Light Gray | 4 |
| 32028 | Plate Special 1 x 2 with Door Rail | Light Gray | 4 |
| 32062 | Technic Axle 2 Notched | Black | 4 |
| 3460 | Plate 1 x 8 | Light Gray | 4 |
| 3701 | Technic Brick 1 x 4 [3 Holes] | Blue | 4 |
| 3702 | Technic Brick 1 x 8 [7 Holes] | Blue | 4 |
| 3705 | Technic Axle 4 | Black | 4 |
| 3710 | Plate 1 x 4 | Light Gray | 4 |
| 3738 | Technic Plate 2 x 8 [7 Holes] | Light Gray | 4 |
| 3894 | Technic Brick 1 x 6 [5 Holes] | Blue | 4 |
| 3895 | Technic Brick 1 x 12 [11 Holes] | Blue | 4 |
| 4274 | Technic Pin 1/2 | Light Gray | 4 |
| 4477 | Plate 1 x 10 | Light Gray | 4 |
| 6247 | Technic Link 1 x 11 | Blue | 4 |
| 6538a | Technic Axle Connector Ridged [with + Hole + Orientation] | Light Gray | 4 |
| 6589 | Technic Gear 12 Tooth Bevel | Light Gray | 4 |
| 3647 | Technic Gear 8 Tooth | Light Gray | 3 |
| 2431 | Tile 1 x 4 with Groove | Blue | 2 |
| 2815 | Technic Wedge Belt Wheel Tire | Black | 2 |
| 2825 | Technic Beam 1 x 4 Thin with Stud Connector | Light Gray | 2 |
| 2983 | Electric 9V Micromotor Pulley | Light Gray | 2 |
| 3022 | Plate 2 x 2 | Light Gray | 2 |
| 3069b | Tile 1 x 2 with Groove | Yellow | 2 |
| 32017 | Technic Beam 1 x 5 Thin | Light Gray | 2 |
| 32073 | Technic Axle 5 | Black | 2 |
| 32185 | Technic Gear Rack 1 x 14 with Holes | Light Gray | 2 |
| 32269 | Technic Gear 20 Tooth Double Bevel with Axle Hole Type 2 [X Opening] | Green | 2 |
| 32270 | Technic Gear 12 Tooth Double Bevel | Green | 2 |
| 3483 | Tire Offset Tread | Black | 2 |
| 3634 | Tire 17 x 43 | Black | 2 |
| 3648a | Technic Gear 24 Tooth [Old Style - Three axle holes] | Light Gray | 2 |
| 3649 | Technic Gear 40 Tooth | Red | 2 |
| 3650c | Technic Gear 24 Tooth Crown with Reinforcements [New Style] | Light Gray | 2 |
| 3706 | Technic Axle 6 | Black | 2 |
| 3707 | Technic Axle 8 | Black | 2 |
| 3708 | Technic Axle 12 | Black | 2 |
| 3737 | Technic Axle 10 | Black | 2 |
| 3743 | Technic Gear Rack 1 x 4 | Light Gray | 2 |
| 3795 | Plate 2 x 6 | Light Gray | 2 |
| 3941 | Brick Round 2 x 2 with Axle Hole | Yellow | 2 |
| 4019 | Technic Gear 16 Tooth with Round Holes [Old Style] | Light Gray | 2 |
| 4162 | Tile 1 x 8 with Groove | Blue | 2 |
| 4185 | Technic Wedge Belt Wheel [aka Pulley] | Light Gray | 2 |
| 4519 | Technic Axle 3 | Black | 2 |
| 4716 | Technic Worm Gear | Black | 2 |
| 6575 | Technic Cam | Light Gray | 2 |
| 6587 | Technic Axle 3 with Stud | Dark Gray | 2 |
| 74982 | Pneumatic Pump 1 x 5.5 | Yellow | 2 |
| 2847c01 | 9V Battery Box 4 x 14 x 4 with Dark Gray Base Complete Assembly | Light Gray | 1 |
| 3036 | Plate 6 x 8 | Light Gray | 1 |
| 3736 | Technic, Steering Pulley Large | Light Gray | 1 |
| 4132168 | Dacta Sorting Tray - 40 Compartment for Dacta Small Bin | Trans-Clear | 1 |
| 6551c01 | Electric Pole Reverser / Polarity Switch with Center Part [Complete Assembly] | Light Gray | 1 |
| 6573 | Technic Gear Differential, 24 -16 Teeth | Dark Gray | 1 |
| 6588 | Technic Gearbox 2 x 4 x 3 1/3 | Trans-Clear | 1 |
| 71082 | Container Storage Lid 19 x 24 [Dacta] | Trans-Clear | 1 |
| 71427c01 | Electric Motor 9V Mini-Motor [Old Style] | Light Gray | 1 |
| 74981 | Pneumatic Cylinder 1 x 5 with 2 Inlets | Yellow | 1 |
| 75215 | Pneumatic Switch with Top Studs | Light Gray | 1 |
| 76019 | Technic Gear 24 Tooth Clutch with Dark Gray or Light Gray Center | White | 1 |
| bin01 | Dacta Storage Bin Small | Red | 1 |