How many pieces does the LEGO Planetary Decoder (6856-1) have?

The LEGO Planetary Decoder set (6856-1) contains 81 pieces. It was released in 1996 as part of the LEGO Space theme.

How can I find missing parts for LEGO set 6856-1?

On BrickMissing you can check which parts from the LEGO Planetary Decoder (6856-1) you already own. Add your LEGO collection and we'll show exactly which of the 81 pieces you're missing and which you already have.

Can I build the LEGO Planetary Decoder 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 81 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Planetary Decoder from?

The LEGO Planetary Decoder (6856-1) belongs to the LEGO Space theme. You can browse all Space sets on BrickMissing to find more sets from this theme.

Planetary Decoder

🏷️ 6856-1•🎨 Space•📅 1996•🧱 81 parts•Beginner

Planetary Decoder (6856-1) is a LEGO Space from 1996. This page uses the available set and theme data until a fuller product description is available.

Parts Inventory

🧱 81 parts

Part	Color	Qty
Sticker Sheet for Sets 1737-1, 6815-1, 6854-1, 6856-1, 6899-1, 6938-1 170900	Unknown	1×
Sticker Sheet for Sets 2154-1, 5129-1, 5384-1, 6856-1, 6900-1, 6915-1, 6958-1, 6975-1, 6982-1, 6999-1 170909	Unknown	1×
Sticker Sheets for Sets 1737-1, 5129-1, 6854-1, 6856-1, 6899-1, 6938-1, 6958-1, 6982-1 170910	Unknown	1×
Antenna 8H Whip 2569	Trans-Neon Green	1×
Brick 2 x 3 3002	White	1×
Plate Special 2 x 2 with Bar Frame Octagonal 30033	White	1×
Panel 3 x 5 Solar / Deltoid with Clip [Hexagonal] 30034	White	2×
Equipment Space Scanner 30035	White	1×
Wedge Plate 8 x 6 x 2/3 with Grille 30036	White	2×
Brick 1 x 2 3004	White	1×

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Plate Special 2 x 2 with Bar Frame Octagonal	30033	White	1×
Panel 3 x 5 Solar / Deltoid with Clip [Hexagonal]	30034	White	2×
Equipment Space Scanner	30035	White	1×
Wedge Plate 8 x 6 x 2/3 with Grille	30036	White	2×
Brick 1 x 2	3004	White	1×
Brick 1 x 6	3009	Black	1×
Plate 2 x 4	3020	White	1×
Plate 1 x 2	3023	White	2×
Plate 2 x 8	3034	Black	1×
Tile 2 x 2 with Groove	3068b	Black	3×
Tail 4 x 2 x 2	3479	Black	2×
Tail 4 x 2 x 2	3479	White	2×
Plate 1 x 6	3666	Black	2×
Turntable 2 x 2 Plate - Top	3679	Light Gray	1×
Turntable 2 x 2 Plate, Base	3680	Black	1×
Technic Axle 6	3706	Black	1×
Technic Plate 2 x 4 [3 Holes]	3709	Black	1×
Plate 1 x 4	3710	White	1×
Slope Inverted 33° 3 x 2 [No Connections between Studs]	3747a	Black	1×
Plate 2 x 6	3795	White	1×
Plate 2 x 6	3795	Black	2×
Support Round 2 x 2 x 2 Stand with Reach-Through Center Hole	3940b	White	2×
Support Round 2 x 2 x 2 Stand with Reach-Through Center Hole	3940b	Black	2×
Brick Round 2 x 2 with Axle Hole	3941	Black	1×
Dish 4 x 4 Inverted [Radar]	3960	Black	2×
Dish 4 x 4 Inverted [Radar]	3960	Trans-Dark Blue	1×
Dish 4 x 4 Inverted [Radar]	3960	Trans-Red	1×
Dish 4 x 4 Inverted [Radar]	3960	Trans-Neon Green	1×
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)	4032a	White	3×
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)	4032a	Black	2×
Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring]	4081b	Black	2×
Hinge Plate 1 x 2 with 3 Fingers [Hollow Studs]	4275b	Black	4×
Hinge Plate 1 x 2 with 2 Fingers and Hollow Studs	4276b	White	2×
Hinge Tile 1 x 2 1/2 with 2 Fingers on Top	4531	White	2×
Cone 1 x 1 [No Top Groove]	4589	Trans-Neon Green	1×
Plate Special 1 x 4 Offset with Bar Holes	4590	Black	2×
Brick Special 1 x 2 x 2/3 with Studs on Sides	4595	Black	2×
Dish 2 x 2 Inverted [Radar]	4740	Trans-Neon Green	2×
Wedge Plate 3 x 4 without Stud Notches	4859	White	1×
Plate Special 1 x 1 with Clip Horizontal [Thick U Clip]	6019	White	1×
Wedge Plate 8 x 8 with 3 x 4 Cutout	6104	Black	1×
Plate Round 1 x 1 with Solid Stud	6141	Trans-Neon Green	2×
Brick Special 2 x 2 with Pin and Axle Hole	6232	White	1×
Cylinder Half 2 x 4 x 4	6259	Trans-Dark Blue	2×

Build DNA

Parts inventory insights for Planetary Decoder

81 pieces puts this build -71% against the average Space set and -68% against the average 1996 release.

LEGOSPACE

Vs average Space set

-71%-196 parts

This set81

Average set277

Average Space set: 277 pieces across 91 other sets.

Vs average 1996 set

-68%-173 parts

This set81

Average set254

Average 1996 set: 254 pieces across 90 other sets.

Color profile

7different colors

Dominant color

Black

Black33x

44%

White27x

36%

Trans-Neon Green7x

Unknown3x

Unique parts

1.8 pieces per unique type

Repeat factor

Average pieces per unique type.

Most used part

Dish 4 x 4 Inverted [Radar]

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🧩42unique parts🎨7different colors📊11.6avg. parts per color🏆5×Dish 4 x 4 Inverted [Radar]

🎨 All Space sets 📅 All sets from 1996

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