How many pieces does the LEGO eLAB Renewable Energy Set (9681-1) have?

The LEGO eLAB Renewable Energy Set set (9681-1) contains 713 pieces. It was released in 1999 as part of the LEGO Technic theme.

How can I find missing parts for LEGO set 9681-1?

On BrickMissing you can check which parts from the LEGO eLAB Renewable Energy Set (9681-1) you already own. Add your LEGO collection and we'll show exactly which of the 713 pieces you're missing and which you already have.

Can I build the LEGO eLAB Renewable Energy Set with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 713 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO eLAB Renewable Energy Set from?

The LEGO eLAB Renewable Energy Set (9681-1) belongs to the LEGO Technic theme. You can browse all Technic sets on BrickMissing to find more sets from this theme.

eLAB Renewable Energy Set

🏷️ 9681-1•🎨 Technic•📅 1999•🧱 713 parts•Intermediate

eLAB Renewable Energy Set (9681-1) is a LEGO Technic from 1999. This page uses the available set and theme data until a fuller product description is available.

Parts Inventory

🧱 713 parts

Part	Color	Qty
String Cord Medium Thickness 100cm 14728c100	Black	1×
Solar Cell / Panel 22578c01	Light Bluish Gray	1×
Tyre 30 x 10.5 Offset Tread 2346	Black	4×
Tile 1 x 4 with Groove 2431	Light Bluish Gray	4×
Brick Special 1 x 2 with Pin 2458	Dark Gray	8×
Brick Special 1 x 4 with Groove 2653	Black	4×
Technic Pin with Friction Ridges Lengthwise and Center Slots 2780	Black	44×
Technic Wedge Belt Wheel Tire 2815	Black	2×
Technic Beam 1 x 4 Thin with Stud Connector 2825	Light Gray	2×
Technic Engine Crankshaft Center 2854	Light Gray	2×

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Brick Special 1 x 4 with Groove	2653	Black	4×
Technic Pin with Friction Ridges Lengthwise and Center Slots	2780	Black	44×
Technic Wedge Belt Wheel Tire	2815	Black	2×
Technic Beam 1 x 4 Thin with Stud Connector	2825	Light Gray	2×
Technic Engine Crankshaft Center	2854	Light Gray	2×
Tyre 81.6 x 15 Motorcycle	2902	Black	4×
Wheel 61.6 x 13.6 Motorcycle	2903	White	4×
Technic Beam Triangle Thin [Type I]	2905	Light Gray	4×
Brick Special 2 x 2 with 2 Pins and Axle Hole	30000	Dark Gray	2×
Brick 2 x 4	3001	Light Bluish Gray	2×
Brick 2 x 4	3001	Red	4×
Plate 2 x 2	3022	Black	4×
Plate 1 x 2	3023	Black	20×
Plate 4 x 4	3031	Black	2×
Tile 1 x 2 with Groove	3069b	Red	5×
Tile 1 x 2 with Groove	3069b	Black	5×
Hook, Plate 1 x 2 with Crane Hook Left	3127	Light Gray	1×
Plate Special 3 x 2 with Rounded End, Hole	3176	Black	1×
Technic Plate 2 x 6 [5 Holes]	32001	Black	6×
Technic Pin 3/4	32002	Dark Gray	26×
Technic Reel 3 x 2	32012	Black	1×
Technic Axle and Pin Connector Angled #1	32013	Black	6×
Technic Axle and Pin Connector Angled #6 - 90°	32014	Black	5×
Technic Axle and Pin Connector Angled #5 - 112.5°	32015	Light Gray	4×
Technic Axle and Pin Connector Angled #3 - 157.5?	32016	Black	4×
Technic Beam 1 x 5 Thin	32017	Light Gray	5×
Plate Special 1 x 2 with Door Rail	32028	Light Gray	4×
Technic Axle and Pin Connector Angled #2 - 180°	32034	Light Gray	4×
Technic Axle Connector with Axle Hole	32039	Light Gray	6×
Technic Axle 2 Notched	32062	Black	12×
Technic Axle 5	32073	Black	6×
Technic Bush 1/2 Smooth with Axle Hole Reduced	32123a	Tan	24×
Technic Pin Double with Axle Hole	32138	Black	4×
Wheel with Split Axle hole	3482	Yellow	10×
Tyre Offset Tread 24 x 8	3483	Black	2×
Tyre 43 x 17	3634	Black	2×
Technic Gear 8 Tooth	3647	Light Gray	2×
Technic Gear 24 Tooth [New Style with Single Axle Hole]	3648b	Light Gray	6×
Technic Gear 40 Tooth	3649	Light Gray	3×
Technic Gear 24 Tooth Crown with Reinforcements [New Style]	3650c	Light Gray	1×
Plate 1 x 6	3666	Black	6×
Technic Pin without Friction Ridges Lengthwise	3673	Light Gray	36×
Technic Brick 1 x 2 [1 Pin Hole]	3700	Yellow	4×
Technic Brick 1 x 2 [1 Pin Hole]	3700	Red	16×
Technic Brick 1 x 4 [3 Pin Holes]	3701	Red	4×
Technic Brick 1 x 4 [3 Pin Holes]	3701	Yellow	4×
Technic Brick 1 x 8 [7 Pin Holes]	3702	Yellow	2×
Technic Brick 1 x 8 [7 Pin Holes]	3702	Red	14×
Technic Brick 1 x 16 [15 Pin Holes]	3703	Red	14×
Technic Brick 1 x 16 [15 Pin Holes]	3703	Yellow	2×
Technic Axle 4	3705	Black	6×
Technic Axle 6	3706	Black	6×
Technic Axle 8	3707	Black	7×
Technic Axle 12	3708	Black	6×
Technic Plate 2 x 4 [3 Holes]	3709	Black	10×
Plate 1 x 4	3710	Black	16×
Plate 1 x 4	3710	Light Bluish Gray	2×
Technic Link	3711a	Black	72×
Technic Bush	3713	Light Gray	60×
Technic Steering Pulley Large	3736	Light Gray	1×
Technic Axle 10	3737	Black	6×
Technic Plate 2 x 8 [7 Holes]	3738	Black	4×
Technic Axle Pin without Friction Ridges Lengthwise	3749	Light Gray	32×
Plate 2 x 10	3832	Black	2×
Baseplate 16 x 32	3857	Light Gray	1×
Technic Brick 1 x 6 [5 Pin Holes]	3894	Yellow	2×
Technic Brick 1 x 6 [5 Pin Holes]	3894	Red	4×
Technic Brick 1 x 12 [11 Pin Holes]	3895	Red	4×
Technic Brick 1 x 12 [11 Pin Holes]	3895	Yellow	4×
Seat / Chair 2 x 2	4079	Tan	4×
Tipper Bed 4 x 6, Open Studs	4080	Yellow	4×
Tile 1 x 8 with Groove	4162	Black	4×
Technic Wedge Belt Wheel [aka Pulley]	4185	Light Gray	2×
Technic Pin 1/2	4274	Light Gray	12×
Technic Axle 3	4519	Black	6×
Wire with Brick 2 x 2 x 2/3 Pair, 20L	5306bc020	Black	1×
Wire with Brick 2 x 2 x 2/3 Pair, 36L	5306bc036	Black	1×
Brick Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole	6222	Dark Gray	2×
Technic Axle and Pin Connector Perpendicular	6536	Light Gray	6×
Technic Axle Connector Ridged [with x Hole x Orientation]	6538b	Light Gray	6×
Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle)	6553	Light Gray	6×
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots	6558	Black	10×
Technic Cam	6575	Light Gray	2×
Technic Axle 3 with Stud	6587	Dark Gray	6×
Technic Beam 1 x 3 Thin	6632	Light Gray	6×
Rubber Band Medium (Square Cross Section) Thin Cut	70012	Black	5×
Sail, Triangular, 15 x 22 with Blue Thin Stripes Print	71308pr0001	White	4×
Motor, 9V Mini [Old Style]	71427c01	Light Gray	1×
Brick Special 2 x 6 x 2 Weight with Sealed Bottom and Dimples on Ends	73090b	Black	1×
Hair, Smooth	3901	Black	1×
Torso Jacket with Zipper and 3 Pockets Print, Blue Arms, Yellow Hands	973c28h01pr1245	Black	1×
Hips and White Legs	970c27	White	1×
Minifig Head, Black Sunglasses and Standard Grin Print [Blocked Open Stud]	3626bpr0006	Yellow	1×

Build DNA

Parts inventory insights for eLAB Renewable Energy Set

713 pieces puts this build +11% against the average Technic set and +279% against the average 1999 release.

LEGOTECHNIC

Vs average Technic set

+11%+68 parts

This set713

Average set645

Average Technic set: 645 pieces across 449 other sets.

Vs average 1999 set

+279%+525 parts

This set713

Average set188

Average 1999 set: 188 pieces across 144 other sets.

Color profile

8different colors

Dominant color

Black

Black310x

43%

Light Gray215x

30%

Red65x

Dark Gray44x

Unique parts

8 pieces per unique type

Repeat factor

Average pieces per unique type.

Most used part

Technic Link

72x

Results are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.

This site is not affiliated with or endorsed by the LEGO Group.

Build Insights🧩89unique parts🎨8different colors📊89.1avg. parts per color🏆72×Technic Link

🎨 All Technic sets 📅 All sets from 1999

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