# LEGO 9701-1 — Control Lab Building Set (1995)

Source: https://www.brickmissing.com/sets/9701-1-control-lab-building-set
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

Explore early robotics and programmable models with the LEGO Control Lab Building Set (9701-1). This 1995 release from the Control Lab theme provides a comprehensive platform for experimentation. Builders can construct a dedicated building station using the included elements. The set features essential functional components: three robust motors for movement, four bright lamps for illumination, and a sound element for audio feedback. A sophisticated array of sensors further enhances interactive capabilities, including one touch sensor, one temperature sensor, one light sensor, and two angle sensors. These components facilitate the creation of dynamic, responsive LEGO models, with step-by-step instructions provided for seven distinct constructions, encouraging diverse engineering projects.

## Set facts

- Set number: 9701-1
- Name: Control Lab Building Set
- Theme: Technic
- Released: 1995
- Pieces: 576
- Distinct part + colour lots: 122
- Build difficulty: intermediate
- Repairability: 17.2% of this set's lots are hard to replace (21 of 122 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (122 lots, 576 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 |
| ---: | --- | --- | --- | --- | --- |
| 1 | Storage / Sorting Tray, Dacta, 13 Compartment for Dacta Small Bin | Trans-Clear | 167915 | — | — |
| 1 | Storage / Sorting Tray, Dacta, 6 Compartment for Dacta Small Bin | Trans-Clear | 167916 | — | — |
| 6 | Brick 2 x 2 Corner | Red | 2357 | 235721 | €0,16 |
| 1 | Wheel Holder 2 x 2 Thin with Clips, Plane Single | Light Gray | 2415 | 241502 | — |
| 6 | Plate 2 x 2 Corner | Black | 2420 | 242026 | €0,07 |
| 4 | Tile 1 x 4 with Groove | Black | 2431 | 243126 | €0,12 |
| 4 | Tile 1 x 4 with Groove | Yellow | 2431 | 243124 | €0,12 |
| 4 | Tile 1 x 4 with Groove | Black | 2431 | 243123 | €0,12 |
| 2 | Brick 1 x 2 x 5 with Blocked Open Studs and Bottom Stud Holder with Asymmetric Ridges | Black | 2454a | 245423 | — |
| 4 | Brick 1 x 2 x 5 with Blocked Open Studs and Bottom Stud Holder with Asymmetric Ridges | Yellow | 2454a | 245424 | — |
| 1 | Brick 1 x 16 | Red | 2465 | 246521 | — |
| 2 | Panel 6 x 6 x 9 Curved Top | Trans-Clear | 2572 | 257240 | — |
| 2 | Technic Plate 1 x 5 with Toothed Ends, 2 Studs and Center Axle Hole | Black | 2711 | 271126 | — |
| 8 | Technic Brick 1 x 10 [9 Pin Holes] | Red | 2730 | 273021 | — |
| 24 | Technic Pin with Friction Ridges Lengthwise and Center Slots | Black | 2780 | 278026 | — |
| 4 | Technic Wedge Belt Wheel Tire | Black | 2815 | 6028041 | €0,38 |
| 2 | Plate Special 2 x 2 with 2 Pin Holes | Red | 2817 | 281721 | €0,15 |
| 5 | Technic Beam 1 x 4 Thin with Stud Connector | Black | 2825 | 6331570 | €0,21 |
| 3 | Motor, 9V 5 x 4 x 2 1/3, Dark Gray Bottom | Light Gray | 2838c01 | 4494210 | — |
| 1 | Technic Turntable Large Type 1 Top, 56 Tooth | Light Gray | 2855 | 285502 | — |
| 1 | Technic Turntable Large Type 1 Base, 56 Tooth | Light Gray | 2856 | 285602 | — |
| 2 | Propeller 2 Blade 9 Diameter | Light Gray | 2952 | 4107163 | — |
| 1 | Sensor, Touch, Fixed Cable | Yellow | 2974c01 | 4119422 | — |
| 2 | Sensor, Rotation | Black | 2977c01 | 4119420 | — |
| 1 | Sensor, Temperature, Short Cable | Yellow | 2980c01 | 4119423 | — |
| 1 | Sensor, Light with Fixed Cable | Black | 2982c01 | 4119421 | — |
| 4 | Brick 2 x 4 | Red | 3001 | 300121 | €0,22 |
| 10 | Brick 1 x 2 | Black | 3004 | 300426 | €0,11 |
| 14 | Brick 1 x 2 | Red | 3004 | 300421 | €0,11 |
| 8 | Brick 1 x 1 | Red | 3005 | 300521 | €0,07 |
| 2 | Brick 1 x 8 | Red | 3008 | 300821 | €0,24 |
| 4 | Brick 1 x 6 | Black | 3009 | 300923 | €0,25 |
| 4 | Brick 1 x 6 | Yellow | 3009 | 300924 | €0,25 |
| 6 | Brick 1 x 4 | Red | 3010 | 301021 | €0,16 |
| 2 | Plate 2 x 3 | Black | 3021 | 302126 | €0,13 |
| 4 | Plate 2 x 2 | Black | 3022 | 302226 | €0,10 |
| 24 | Plate 1 x 2 | Black | 3023 | 302326 | €0,08 |
| 2 | Plate 4 x 4 | Black | 3031 | 4243819 | €0,21 |
| 6 | Slope 45° 2 x 1 with Bottom Pin | Red | 3040b | 4121934 | €0,10 |
| 1 | Brick 1 x 2 without Bottom Tube | Trans-Dark Blue | 3065 | 6514264 | €0,12 |
| 1 | Brick 1 x 2 without Bottom Tube | Trans-Yellow | 3065 | 6514265 | €0,12 |
| 1 | Brick 1 x 2 without Bottom Tube | Trans-Red | 3065 | 6514263 | €0,12 |
| 1 | Brick 1 x 2 without Bottom Tube | Trans-Green | 3065 | 306548 | — |
| 2 | Tile 2 x 2 with Groove | White | 3068b | 306801 | €0,07 |
| 1 | Tile 2 x 2 with Black Wide Arrow Print | White | 3068bpr0050 | 80607 | — |
| 2 | Tile 2 x 2 with Ice Cream Cone Print | White | 3068bpr0087 | 81770 | — |
| 2 | Tile 1 x 2 with Groove | White | 3069b | 306901 | €0,07 |
| 2 | Tile 1 x 2 with Groove | Red | 3069b | 306921 | €0,07 |
| 4 | Tile 1 x 2 with Groove | Black | 3069b | 306926 | €0,07 |
| 2 | Tile 1 x 2 with Groove | Light Gray | 3069b | 306902 | — |
| 6 | Tile 1 x 2 with Groove | Yellow | 3069b | 306924 | €0,07 |
| 6 | Tile 1 x 2 with Groove | Black | 3069b | 306923 | €0,07 |
| 1 | Tyre 14 x 4 Smooth Small Single | Black | 3139 | 313926 | — |
| 1 | Slope 33° 2 x 4 Double | Black | 3299 | 4529155 | €0,24 |
| 9 | Plate 1 x 8 | Black | 3460 | 346026 | €0,18 |
| 1 | Wheel Centre Small with Stub Axles (Pulley Wheel) | Dark Bluish Gray | 3464 | 6005463 | €0,13 |
| 4 | Wheel with Split Axle hole | Yellow | 3482 | 348224 | — |
| 4 | Wheel with Split Axle hole | Light Gray | 3482 | 348202 | — |
| 8 | Tyre Offset Tread 24 x 8 | Black | 3483 | 348326 | — |
| 4 | Plate 1 x 3 | Black | 3623 | 362326 | €0,07 |
| 8 | Technic Gear 8 Tooth | Light Gray | 3647 | 364702 | — |
| 4 | Technic Gear 24 Tooth [Old Style - Three axle holes] | Light Gray | 3648a | — | — |
| 4 | Technic Gear 24 Tooth Crown with Reinforcements [New Style] | Light Gray | 3650c | 365002 | — |
| 8 | Plate 1 x 6 | Black | 3666 | 366626 | €0,17 |
| 1 | Turntable 2 x 2 Plate - Top | Light Gray | 3679 | 367902 | — |
| 1 | Turntable 2 x 2 Plate, Base | Black | 3680 | 368026 | €0,11 |
| 16 | Technic Brick 1 x 2 [1 Pin Hole] | Red | 3700 | 370021 | €0,12 |
| 10 | Technic Brick 1 x 4 [3 Pin Holes] | Red | 3701 | 370121 | €0,17 |
| 10 | Technic Brick 1 x 8 [7 Pin Holes] | Red | 3702 | 370221 | €0,36 |
| 6 | Technic Brick 1 x 16 [15 Pin Holes] | Red | 3703 | 370321 | €0,82 |
| 4 | Technic Axle 4 | Black | 3705 | 370526 | €0,08 |
| 6 | Technic Axle 6 | Black | 3706 | 370626 | €0,12 |
| 6 | Technic Axle 8 | Black | 3707 | 370726 | €0,22 |
| 4 | Technic Axle 12 | Black | 3708 | 370826 | €0,27 |
| 7 | Technic Plate 2 x 4 [3 Holes] | Black | 3709 | 370926 | €0,13 |
| 12 | Plate 1 x 4 | Black | 3710 | 371026 | €0,12 |
| 16 | Technic Bush | Light Gray | 3713 | 371302 | — |
| 2 | Technic Axle 10 | Black | 3737 | 373726 | €0,25 |
| 6 | Technic Plate 2 x 8 [7 Holes] | Black | 3738 | 373826 | €0,29 |
| 14 | Technic Gear Rack 1 x 4 | Light Gray | 3743 | 374302 | — |
| 6 | Technic Axle Pin without Friction Ridges Lengthwise | Light Gray | 3749 | 374902 | — |
| 4 | Plate Special 1 x 2 with 1 Stud without Groove (Jumper) | Brown | 3794a | 379425 | — |
| 2 | Baseplate 16 x 32 | Light Gray | 3857 | 274802 | — |
| 54 | Technic Link Tread | Black | 3873 | 387326 | — |
| 11 | Technic Brick 1 x 6 [5 Pin Holes] | Red | 3894 | 389421 | €0,29 |
| 6 | Technic Brick 1 x 12 [11 Pin Holes] | Red | 3895 | 389521 | €0,54 |
| 2 | Technic Gear 16 Tooth with Round Holes [Old Style] | Light Gray | 4019 | 401902 | — |
| 4 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Black | 4032a | 403226 | €0,06 |
| 6 | Brick Special 1 x 1 with Headlight | Black | 4070 | 407026 | €0,07 |
| 4 | Tile Round 2 x 2 with Bottom Cross | White | 4150 | 415001 | — |
| 8 | Tile 1 x 8 with Groove | Black | 4162 | 416226 | €0,15 |
| 5 | Technic Wedge Belt Wheel [aka Pulley] | Light Gray | 4185 | 4100502 | — |
| 14 | Technic Bush 1/2 Toothed Type II [X Opening] | Light Gray | 4265b | 4100501 | — |
| 2 | Slope 33° 3 x 1 | Red | 4286 | 428621 | €0,10 |
| 4 | Slope Inverted 34° 3 x 1 without Internal Stopper | Dark Red | 4287a | 4248804 | — |
| 2 | Technic Axle 3 | Black | 4519 | 451926 | — |
| 3 | Technic Worm Gear | Light Gray | 4716 | 471602 | — |
| 1 | Sound Brick, Round, 9V 2 x 2 x 1 1/3 with Two Space Noises | Black | 4774c02 | 75814 | — |
| 2 | Wire with Brick 2 x 2 x 2/3 Pair, 15L | Black | 5306bc015 | 75565 | — |
| 2 | Wire with Brick 2 x 2 x 2/3 Pair, 36L | Black | 5306bc036 | 75652 | — |
| 6 | Wire with Brick 2 x 2 x 2/3 Pair, 162L | Black | 5306bc162 | 75656 | — |
| 2 | Panel 6 x 6 x 9 Corner Convex with Curved Top | Trans-Clear | 6002 | 600240 | — |
| 4 | Light Brick 1 x 2 with Single Side Light | White | 6035 | 4603220 | — |
| 2 | Technic Axle Connector Ridged [with + Hole + Orientation] | Light Gray | 6538a | — | — |
| 2 | Rubber Band Medium (Square Cross Section) Thin Cut | Black | 70012 | 70012 | — |
| 4 | Technic Cable Holder | White | 70376 | 70376 | — |
| 2 | Storage Bin Lid, Dacta, 19 x 24 | Trans-Clear | 71082 | — | — |
| 2 | Dish 2 x 2 x 2/3 Light Reflector | Chrome Silver | 71128 | 71128 | — |
| 2 | Technic Rubber Belt 24mm | White | 85544 | 70713 | — |
| 4 | Technic Rubber Belt Medium [26mm ID] [Round Cross Section] | White | 85545 | 70714 | — |
| 1 | Activity Booklet 1 - Greenhouse - Set 9701 | Unknown | 9701b1 | — | — |
| 1 | Activity Booklet 2 - Vending Machine - Set 9701 | Unknown | 9701b2 | — | — |
| 1 | Activity Booklet 3 - Car Testing Station - Set 9701 | Unknown | 9701b3 | — | — |
| 1 | Activity Booklet 4 - Joystick Controlled Wheelchair - Set 9701 | Unknown | 9701b4 | — | — |
| 1 | Activity Booklet 5 - Scanner - Set 9701 | Unknown | 9701b5 | — | — |
| 1 | Activity Booklet 6 - Conveyor Belt - Set 9701 | Unknown | 9701b6 | — | — |
| 1 | Activity Booklet 7 - Robot Arm - Set 9701 | Unknown | 9701b7 | — | — |
| 1 | Activity Booklet 1 - Parts Tray Organizer Card - Set 9701 | Unknown | 9701bc1 | — | — |
| 1 | Activity Booklet 2 - Parts Tray Organizer Card - Set 9701 | Unknown | 9701bc2 | — | — |
| 2 | Storage Bin, Dacta, Small | Red | upn0032 | — | — |
| 1 | Instruction Sheet, Set 9701 | Unknown | upn0105 | — | — |
| 1 | Instruction Sheet, Set 9701 | Unknown | upn0116 | — | — |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/9701-1-control-lab-building-set
- 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/9701-1-control-lab-building-set