LEGO 9702
Control System Building Set

LEGO 9702 Control System Building Set box image
Set number
9702
Theme
Educational and Dacta
Pieces
230 pcs
Year
1993
Used & parts
See price history & best time to buy

Prices may vary — please check each store. Links may include affiliate (advertising) links.

How many parts to go?
Can you build this from what you own?
Just pick the sets you own — see this set's completion rate and missing parts instantly.
① Tap the sets you own (pick a few)
② Or add by number (optional)

“Control System Building Set” is LEGO® “Educational and Dacta” theme set number 9702. Released in 1993, it has 230 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.

Part breakdown 74 types

Color split (most first)
Yellow×67
Red×52
Light Gray×47
Black×39
White×8
[No Color/Any Color]×5
Trans-Clear×2
Trans-Green×1
Chrome Silver×1
Main parts (most used first)
2780 Technic Pin with Friction Ridges Lengthwise and Center Slots
Black · ×14
3023 Plate 1 x 2
Yellow · ×12
3004 Brick 1 x 2
Red · ×10
3710 Plate 1 x 4
Yellow · ×8
2420 Plate 2 x 2 Corner
Yellow · ×6
2730 Technic Brick 1 x 10 [9 Pin Holes]
Red · ×6
3673 Technic Pin without Friction Ridges Lengthwise
Light Gray · ×6
3700 Technic Brick 1 x 2 [1 Pin Hole]
Red · ×6
3701 Technic Brick 1 x 4 [3 Pin Holes]
Red · ×6
3702 Technic Brick 1 x 8 [7 Pin Holes]
Red · ×6
3713 Technic Bush
Light Gray · ×6
4185 Technic Wedge Belt Wheel [aka Pulley]
Light Gray · ×6
4265b Technic Bush 1/2 Toothed Type II [X Opening]
Light Gray · ×6
3460 Plate 1 x 8
Yellow · ×5
2815 Technic Wedge Belt Wheel Tire
Black · ×4
3623 Plate 1 x 3
Yellow · ×4
3651 Technic Axle and Pin Connector
Light Gray · ×4
3666 Plate 1 x 6
Yellow · ×4
3703 Technic Brick 1 x 16 [15 Pin Holes]
Red · ×4
3738 Technic Plate 2 x 8 [7 Holes]
Yellow · ×4
3749 Technic Axle Pin without Friction Ridges Lengthwise
Light Gray · ×4
3794a Plate Special 1 x 2 with 1 Stud without Groove (Jumper)
Yellow · ×4
3894 Technic Brick 1 x 6 [5 Pin Holes]
Red · ×4
3895 Technic Brick 1 x 12 [11 Pin Holes]
Red · ×4

More “Educational and Dacta” theme sets

Re:GO is an unofficial service and is not affiliated with the LEGO Group. LEGO® is a trademark of the LEGO Group. Data is based on Rebrickable and others.