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Control System Building Set

Control System Building Set

9702-1·LEGO·1993·2 minifigs·71 parts

Used Avg
$144.00
New Avg
$144.00
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About Control System Building Set

Control System Building Set (9702-1) is a LEGO LEGO set released in 1993, currently averaging $144.00 used on BrickLink. It comes with 2 minifigures worth a combined $5.48. The set has retired from retail, so secondary market is the only option. The full parts inventory runs 71 pieces.

Part-out value

The minifigures make up only 4% of this set's value ($5.48 out of $144.00). The bulk of the value is in the parts or the set being complete. Sell it as a complete set if possible.

Seller notes

  • This is a vintage set (1993). Condition of the box and instructions significantly affects value. A complete set with original box and instructions can sell for well above the average.

Minifigures in Control System Building Set (2)

Necklace Red - Blue Legs, Black Female Hair
Necklace Red - Blue Legs, Black Female Hair
ncklc008$3.36
Overalls Black with Pocket, Black Legs, Red Cap
Overalls Black with Pocket, Black Legs, Red Cap
ovr014$2.12

Parts (71)

Dacta Sorting Tray - 22 Compartment - Set 9702
Dacta Sorting Tray - 22 Compartment - Set 9702
Plate 2 x 2 Corner
Plate 2 x 2 Corner
×6
Technic, Brick 1 x 10 with Holes
Technic, Brick 1 x 10 with Holes
×6
Technic, Pin with Short Friction Ridges
Technic, Pin with Short Friction Ridges
×14
Tire Technic Wedge Belt Wheel
Tire Technic Wedge Belt Wheel
×4
Technic, Liftarm, Modified Stud Connector Thin 1 x 4
Technic, Liftarm, Modified Stud Connector Thin 1 x 4
×2
Electric, Motor 9V 5 x 4 x 2 1/3 with Black Axle and Dark Gray Base
Electric, Motor 9V 5 x 4 x 2 1/3 with Black Axle and Dark Gray Base
Brick 2 x 4
Brick 2 x 4
Brick 2 x 2
Brick 2 x 2
×2
Brick 1 x 2
Brick 1 x 2
×10
Plate 2 x 3
Plate 2 x 3
×2
Plate 2 x 2
Plate 2 x 2
×2
Plate 1 x 2
Plate 1 x 2
×12
Plate 6 x 10
Plate 6 x 10
×2
Slope 45 2 x 1
Slope 45 2 x 1
×2
Brick 1 x 2 without Bottom Tube
Brick 1 x 2 without Bottom Tube
Tile 1 x 2
Tile 1 x 2
×2
Plate 1 x 8
Plate 1 x 8
×5
Wheel with Split Axle Hole
Wheel with Split Axle Hole
Tire 24mm D. x 8mm Offset Tread - Interior Ridges
Tire 24mm D. x 8mm Offset Tread - Interior Ridges
Plate 1 x 3
Plate 1 x 3
×4
Technic, Gear 8 Tooth
Technic, Gear 8 Tooth
×2
Technic, Gear 40 Tooth
Technic, Gear 40 Tooth
Technic, Gear 24 Tooth Crown - Reinforced
Technic, Gear 24 Tooth Crown - Reinforced
Technic, Axle and Pin Connector
Technic, Axle and Pin Connector
×4
Plate 1 x 6
Plate 1 x 6
×4
Technic, Pin without Friction Ridges
Technic, Pin without Friction Ridges
×6
Technic, Brick 1 x 2 with Hole
Technic, Brick 1 x 2 with Hole
×6
Technic, Brick 1 x 4 with Holes
Technic, Brick 1 x 4 with Holes
×6
Technic, Brick 1 x 8 with Holes
Technic, Brick 1 x 8 with Holes
×6
Technic, Brick 1 x 16 with Holes
Technic, Brick 1 x 16 with Holes
×4
Technic, Axle  4L
Technic, Axle 4L
×2
Technic, Axle  6L
Technic, Axle 6L
×3
Technic, Axle  8L
Technic, Axle 8L
×2
Technic, Plate 2 x 4 with 3 Holes
Technic, Plate 2 x 4 with 3 Holes
×2
Plate 1 x 4
Plate 1 x 4
×8
Technic Bush
Technic Bush
×6
Technic, Axle 10L
Technic, Axle 10L
×2
Technic, Plate 2 x 8 with 7 Holes
Technic, Plate 2 x 8 with 7 Holes
×4
Technic, Axle  1L with Pin without Friction Ridges with Round Hole
Technic, Axle 1L with Pin without Friction Ridges with Round Hole
×4
Plate, Modified 1 x 2 with 1 Stud without Groove (Jumper)
Plate, Modified 1 x 2 with 1 Stud without Groove (Jumper)
×4
Plate 2 x 6
Plate 2 x 6
×2
Baseplate 16 x 32
Baseplate 16 x 32
Technic, Brick 1 x 6 with Holes
Technic, Brick 1 x 6 with Holes
×4
Technic, Brick 1 x 12 with Holes
Technic, Brick 1 x 12 with Holes
×4
Plate, Round 2 x 2 with Axle Hole
Plate, Round 2 x 2 with Axle Hole
×2
Technic, Gear 14 Tooth Bevel Thin
Technic, Gear 14 Tooth Bevel Thin
×2
Tile 1 x 8
Tile 1 x 8
×3
Technic Wedge Belt Wheel (Pulley)
Technic Wedge Belt Wheel (Pulley)
×6
Technic Bush 1/2 Toothed with 2 Interior Ridges
Technic Bush 1/2 Toothed with 2 Interior Ridges
×6
Plate 1 x 10
Plate 1 x 10
×4
Technic, Axle  3L
Technic, Axle 3L
×2
Technic, Gear Worm Screw, Long
Technic, Gear Worm Screw, Long
Electric Plate 2 x 8 with Contacts
Electric Plate 2 x 8 with Contacts
Electric, Sound Siren 9V 2 x 2 x 1 1/3 with 2 Town Police / Fire Noises
Electric, Sound Siren 9V 2 x 2 x 1 1/3 with 2 Town Police / Fire Noises
Electric, Wire with Brick 2 x 2 x 2/3 Ends  15L
Electric, Wire with Brick 2 x 2 x 2/3 Ends 15L
Electric, Wire with Brick 2 x 2 x 2/3 Ends 164L
Electric, Wire with Brick 2 x 2 x 2/3 Ends 164L
×3
Electric, Light Brick 1 x 2 with Lamp on Side (6034 / 6035)
Electric, Light Brick 1 x 2 with Lamp on Side (6034 / 6035)
Technic, Axle Connector 2L (Ridged with x Hole x Orientation)
Technic, Axle Connector 2L (Ridged with x Hole x Orientation)
Set 9702 Activity Booklet 1 - Motorized Turntable
Set 9702 Activity Booklet 1 - Motorized Turntable
Set 9702 Activity Booklet 2 - Elevator
Set 9702 Activity Booklet 2 - Elevator
Set 9702 Activity Booklet 3  - Road Painting Vehicle
Set 9702 Activity Booklet 3 - Road Painting Vehicle
Set 9702 Activity Booklet 4 - Motorized Dinosaur
Set 9702 Activity Booklet 4 - Motorized Dinosaur
Technic Rubber Cable Holder
Technic Rubber Cable Holder
×4
Technic, Gear 24 Tooth with 3 Axle Holes
Technic, Gear 24 Tooth with 3 Axle Holes
×2
Pen Simple, Black with White 'Technic' Text Pattern
Pen Simple, Black with White 'Technic' Text Pattern
Rubber Belt Medium (Round Cross Section) - Approx. 3 x 3
Rubber Belt Medium (Round Cross Section) - Approx. 3 x 3
×3
String, Cord Thin    75cm
String, Cord Thin 75cm
Dish 2 x 2 x 2/3 Light Reflector
Dish 2 x 2 x 2/3 Light Reflector
Rubber Band Small (Square Cross Section)
Rubber Band Small (Square Cross Section)
Rubber Belt Large (Round Cross Section) - Approx. 3 1/4 x 3 1/4
Rubber Belt Large (Round Cross Section) - Approx. 3 1/4 x 3 1/4
×3

Common questions about Control System Building Set

How much is LEGO Control System Building Set (9702-1) worth?

Control System Building Set sells for an average of $144.00 used on BrickLink based on 6 months of completed sales. As a retired set, prices tend to hold steady or appreciate over time, especially for complete sets with original packaging. Actual prices vary with completeness — missing minifigures or key parts will lower the value.

What minifigures come in LEGO set 9702-1?

This set includes 2 minifigures: Necklace Red - Blue Legs, Black Female Hair ($3.36), Overalls Black with Pocket, Black Legs, Red Cap ($2.12). The minifigures have a combined BrickLink value of $5.48. Each figure is linked above with individual pricing if you're looking to buy or sell specific characters.

Is it worth parting out LEGO Control System Building Set?

The minifigures make up about 4% of the set value ($5.48 out of $144.00). Most of the value is in the complete set package, so selling it whole is likely the better move unless you have buyers lined up for specific figures.

Is LEGO Control System Building Set (9702-1) retired?

Yes, Control System Building Set was released in 1993 and has been retired from retail for several years. Retired LEGO sets are only available on the secondary market through BrickLink, eBay, or other resale platforms. At its current price point, it has appreciated since retirement.

How do I check if my Control System Building Set set is complete?

Use the parts list on this page to check every piece and all 2 minifigures. For the minifigures specifically, you can use the brick'em scanner to identify each figure from a photo and confirm it matches what should be in this set. Missing pieces can be individually sourced on BrickLink.

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