Mechanical Engineering Set (9665-1)

LEGO set 9665-1 Mechanical Engineering Set - Image 1

Price Comparison

No retailers currently stock Mechanical Engineering Set in The United States.

Set details

Name: Mechanical Engineering Set
Set number: 9665-1
Year: 2001
Theme: Educational and Dacta
Number of parts: 322
Number of part types: 84
Retail price: $150.00

Browse all 322 parts in set 9665-1 with individual pricing from BrickLink or Brick Owl.

Price source:

Value of parts: $413.50
Pricing information known of 78/84 parts.

Part

Color

Quantity

Average price

Total

Value

Wire with Brick 2 x 2 x 2/3 Pair, 69L

Black

$36.60

$73.21

2 x $36.60

$73.21

Wire with Brick 2 x 2 x 2/3 Pair, 15L

Black

$34.60

$34.60

1 x $34.60

$34.60

Rubber Band Medium (Square Cross Section) Thin Cut

Black

$2.87

$25.84

9 x $2.87

$25.84

Battery Box, 9V 4 x 14 x 4 with Dark Gray Base [Complete Assembly]

Light Gray

$21.79

$21.79

1 x $21.79

$21.79

Motor, 9V Mini [Old Style]

Light Gray

$20.65

$20.65

1 x $20.65

$20.65

Technic Rubber Belt Medium [26mm ID] [Round Cross Section]

Blue

$4.01

$20.04

5 x $4.01

$20.04

Pneumatic Pump 1 x 5.5

Yellow

$10.01

$20.01

2 x $10.01

$20.01

Technic Rubber Belt Medium [24mm ID] [Round Cross Section]

Red

$3.39

$16.93

5 x $3.39

$16.93

Technic Gear Rack 1 x 14 with Holes

Light Gray

$7.83

$15.65

2 x $7.83

$15.65

String Cord Thin (0.5mm) 500cm

Black

$15.61

$15.61

1 x $15.61

$15.61

Pneumatic Cylinder 1 x 5 with 2 Inlets

Yellow

$13.39

$13.39

1 x $13.39

$13.39

Technic Rubber Belt Large [33mm ID] [Round Cross Section]

Yellow

$2.30

$11.51

5 x $2.30

$11.51

Pole Reverser / Polarity Switch with Center Part [Complete Assembly]

Light Gray

$8.95

$8.95

1 x $8.95

$8.95

Wheel with Split Axle hole

Yellow

$0.87

$8.67

10 x $0.87

$8.67

Technic Brick 1 x 16 [15 Pin Holes]

Blue

$1.19

$7.15

6 x $1.19

$7.15

Technic Gear 40 Tooth

Red

$3.18

$6.36

2 x $3.18

$6.36

Hose, Pneumatic 4mm D. 26.25L / 21cm

Black

$5.59

$5.59

1 x $5.59

$5.59

Technic Link 1 x 11

Blue

$1.29

$5.15

4 x $1.29

$5.15

Plate 6 x 8

Light Gray

$3.95

$3.95

1 x $3.95

$3.95

Pneumatic Switch with Top Studs

Light Gray

$3.44

$3.44

1 x $3.44

$3.44

Technic Axle 5

Black

$1.72

$3.44

2 x $1.72

$3.44

Technic Gear 24 Tooth Clutch with Dark Gray or Light Gray Center

White

$3.20

$3.20

1 x $3.20

$3.20

Technic Brick 1 x 8 [7 Pin Holes]

Blue

$0.77

$3.09

4 x $0.77

$3.09

Tyre 30 x 10.5 Offset Tread

Black

$0.70

$2.82

4 x $0.70

$2.82

Technic Axle Pin without Friction Ridges Lengthwise

Light Gray

$0.22

$2.60

12 x $0.22

$2.60

Technic Gear 12 Tooth Bevel

Light Gray

$0.62

$2.49

4 x $0.62

$2.49

Hose, Pneumatic 4mm D. 20L / 16cm

Blue

$2.44

$2.44

1 x $2.44

$2.44

Technic Brick 1 x 12 [11 Pin Holes]

Blue

$0.61

$2.44

4 x $0.61

$2.44

Technic Pin without Friction Ridges Lengthwise

Light Gray

$0.14

$2.44

18 x $0.14

$2.44

Technic Bush

Light Gray

$0.09

$2.27

24 x $0.09

$2.27

Technic Axle 3

Black

$1.10

$2.19

2 x $1.10

$2.19

Tyre 43 x 17

Black

$1.10

$2.19

2 x $1.10

$2.19

Technic Cam

Light Gray

$1.03

$2.06

2 x $1.03

$2.06

Technic Gear 24 Tooth Crown with Reinforcements [New Style]

Light Gray

$0.97

$1.95

2 x $0.97

$1.95

Technic Gear Rack 1 x 4

Light Gray

$0.96

$1.92

2 x $0.96

$1.92

Technic Gearbox 2 x 4 x 3 1/3

Trans-Clear

$1.92

$1.92

1 x $1.92

$1.92

Technic Plate 2 x 8 [7 Holes]

Light Gray

$0.46

$1.84

4 x $0.46

$1.84

Plate 1 x 2

Light Gray

$0.45

$1.79

4 x $0.45

$1.79

Technic Steering Pulley Large

Light Gray

$1.68

$1.68

1 x $1.68

$1.68

Plate 1 x 8

Light Gray

$0.41

$1.62

4 x $0.41

$1.62

Technic Plate 2 x 4 [3 Holes]

Light Gray

$0.20

$1.62

8 x $0.20

$1.62

Technic Axle Connector Ridged [with x Hole x Orientation]

Light Gray

$0.37

$1.46

4 x $0.37

$1.46

Technic Bush 1/2 Smooth with Axle Hole Reduced

Light Gray

$0.12

$1.46

12 x $0.12

$1.46

Technic Gear 24 Tooth [New Style with Single Axle Hole]

Light Gray

$0.70

$1.41

2 x $0.70

$1.41

Brick 2 x 4

Blue

$0.18

$1.41

8 x $0.18

$1.41

Plate 1 x 4

Light Gray

$0.34

$1.35

4 x $0.34

$1.35

Plate 1 x 10

Light Gray

$0.32

$1.30

4 x $0.32

$1.30

Technic Gear Differential, 24 -16 Tooth with Clutch on Both Sides

Dark Gray

$1.16

$1.16

1 x $1.16

$1.16

Technic Worm Gear

Black

$0.57

$1.14

2 x $0.57

$1.14

Technic Gear 8 Tooth

Light Gray

$0.38

$1.14

3 x $0.38

$1.14

Technic Pin 3/4

Dark Gray

$0.14

$1.08

8 x $0.14

$1.08

Technic Wedge Belt Wheel Tire

Black

$0.53

$1.06

2 x $0.53

$1.06

Technic Wedge Belt Wheel [aka Pulley]

Light Gray

$0.51

$1.03

2 x $0.51

$1.03

Motor Pulley, 9V Micromotor with axle hole

Light Gray

$0.51

$1.03

2 x $0.51

$1.03

Plate 2 x 6

Light Gray

$0.46

$0.92

2 x $0.46

$0.92

Tyre Offset Tread 24 x 8

Black

$0.41

$0.81

2 x $0.41

$0.81

Technic Axle 12

Black

$0.37

$0.73

2 x $0.37

$0.73

Plate 2 x 2

Light Gray

$0.34

$0.68

2 x $0.34

$0.68

Technic Pin with Friction Ridges Lengthwise and Center Slots

Black

$0.03

$0.65

24 x $0.03

$0.65

Technic Beam 1 x 5 Thin

Light Gray

$0.32

$0.65

2 x $0.32

$0.65

Technic Brick 1 x 6 [5 Pin Holes]

Blue

$0.16

$0.65

4 x $0.16

$0.65

Technic Pin 1/2 without Friction Ridges

Light Gray

$0.16

$0.65

4 x $0.16

$0.65

Technic Axle 10

Black

$0.30

$0.60

2 x $0.30

$0.60

Technic Gear 16 Tooth with Round Holes [Old Style]

Light Gray

$0.30

$0.60

2 x $0.30

$0.60

Plate Special 1 x 2 with Door Rail

Light Gray

$0.14

$0.54

4 x $0.14

$0.54

Technic Brick 1 x 4 [3 Pin Holes]

Blue

$0.12

$0.49

4 x $0.12

$0.49

Technic Brick 1 x 2 [1 Pin Hole]

Blue

$0.05

$0.43

8 x $0.05

$0.43

Technic Axle 8

Black

$0.19

$0.38

2 x $0.19

$0.38

Technic Beam 1 x 4 Thin with Stud Connector

Light Gray

$0.16

$0.32

2 x $0.16

$0.32

Plate 1 x 2

Yellow

$0.04

$0.28

7 x $0.04

$0.28

Tile 1 x 8 with Groove

Blue

$0.14

$0.27

2 x $0.14

$0.27

Technic Axle 3 with Stud

Dark Gray

$0.12

$0.24

2 x $0.12

$0.24

Tile 1 x 4 with Groove

Blue

$0.12

$0.24

2 x $0.12

$0.24

Technic Axle 2 Notched

Black

$0.05

$0.22

4 x $0.05

$0.22

Tile 1 x 2 with Groove

Yellow

$0.08

$0.16

2 x $0.08

$0.16

Technic Axle 4

Black

$0.04

$0.16

4 x $0.04

$0.16

Technic Axle 6

Black

$0.08

$0.16

2 x $0.08

$0.16

Brick Round 2 x 2 with Axle Hole

Yellow

$0.05

$0.11

2 x $0.05

$0.11

Missing pricing information on the following items.

	Color	Quantity
Technic Gear 12 Tooth Double Bevel	Green	2
Technic Gear 20 Tooth Double Bevel with Axle Hole Type 2 [X Opening]	Green	2
Storage Bin, Dacta, Small	Red	1
Storage / Sorting Tray, Dacta, 40 Compartment for Dacta Small Bin	Trans-Clear	1
Storage Bin Lid, Dacta, 19 x 24	Trans-Clear	1
Hose, Pneumatic 4mm D. 26.25L / 21cm	Light Gray	1

Compare the value of buying Mechanical Engineering Set as a complete set versus the total value of all parts individually.

BrickLink
Condition	Timespan	Avg price	Items sold	Inventory value	Ratio
New	6 months	?	?	$329.68	?
Used	6 months	?	?	$41.31	?

Brick Owl
Condition	Timespan	Avg price	Inventory value	Ratio
New	Current	?	$751.66	?
	6 months	?	$393.92	?
	1 year	?	$413.50	?
Used	Current	?	$269.49	?

Combined 6 Month Sales Volume (New)
Total items sold	?

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