How many pieces does the LEGO Vision Command [RCX Digital Colour Camera] (9731-1) have?

The LEGO Vision Command [RCX Digital Colour Camera] set (9731-1) contains 140 pieces. It was released in 2000 as part of the LEGO Mindstorms theme.

How can I find missing parts for LEGO set 9731-1?

On BrickMissing you can check which parts from the LEGO Vision Command [RCX Digital Colour Camera] (9731-1) you already own. Add your LEGO collection and we'll show exactly which of the 140 pieces you're missing and which you already have.

Can I build the LEGO Vision Command [RCX Digital Colour Camera] 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 140 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Vision Command [RCX Digital Colour Camera] from?

The LEGO Vision Command [RCX Digital Colour Camera] (9731-1) belongs to the LEGO Mindstorms theme. You can browse all Mindstorms sets on BrickMissing to find more sets from this theme.

Vision Command [RCX Digital Colour Camera]

🏷️ 9731-1•🎨 Mindstorms•📅 2000•🧱 140 parts•Easy

Vision Command [RCX Digital Colour Camera] (9731-1) is a LEGO Mindstorms from 2000. This page uses the available set and theme data until a fuller product description is available.

Parts Inventory

🧱 140 parts

Part	Color	Qty
Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs] 2444	Black	2×
Technic Pin with Friction Ridges Lengthwise and Center Slots 2780	Black	14×
Technic Ball with 8 Grooves 2907	Light Gray	3×
Lever Small Base with Black Lever 298c02	Red	2×
Plate 2 x 2 3022	Black	2×
Technic Plate 2 x 6 [5 Holes] 32001	Black	2×
Technic Pin 3/4 32002	Dark Gray	4×
Technic Axle Connector with Axle Hole 32039	Black	4×
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] 32054	Red	2×
Technic Axle 2 Notched 32062	Black	6×

Showing 10 of 41 parts

🔓 Sign up to see all parts

Technic Plate 2 x 6 [5 Holes]	32001	Black	2×
Technic Pin 3/4	32002	Dark Gray	4×
Technic Axle Connector with Axle Hole	32039	Black	4×
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]	32054	Red	2×
Technic Axle 2 Notched	32062	Black	6×
Technic Beam 1 x 6 Thin	32063	Black	4×
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Ridges	32064c	Dark Red	4×
Technic Axle 5	32073	Black	1×
Technic Bush 1/2 Smooth with Axle Hole Reduced	32123a	Tan	12×
Technic Modular Connector	32137	Trans-Clear	3×
Technic Pin Double with Axle Hole	32138	Red	2×
Technic Beam 2 x 4 L-Shape Thick	32140	Black	4×
Technic Beam 1 x 9 Bent (7 - 3) Thick	32271	Black	4×
Technic Axle and Pin Connector Perpendicular Double	32291	Trans-Clear	2×
Technic Beam 1 x 5 Thick	32316	Black	2×
Technic Beam 1 x 7 Bent (4 - 4) Thick	32348	Black	8×
Technic Beam 3 x 5 L-Shape Thick	32526	Black	2×
Camera USB	32561c01	Trans-Dark Blue	1×
Tyre 15 x 6 Offset Tread Small	3641	Black	4×
Technic Gear 24 Tooth [New Style with Single Axle Hole]	3648b	Red	2×
Technic Axle 4	3705	Black	4×
Technic Axle 6	3706	Black	1×
Technic Bush	3713	Light Gray	2×
Technic Axle 10	3737	Black	3×
Technic Axle Pin without Friction Ridges Lengthwise	3749	Light Gray	12×
Technic Brick 1 x 12 [11 Pin Holes]	3895	Black	2×
Colour Test Sheets for Vision Command	4131324	Unknown	1×
CD-Rom, for 9731 Vision Command Windows 98 (English Language)	4142877	Unknown	1×
Technic Pin 1/2	4274	Light Gray	2×
Technic Worm Gear	4716	Red	2×
Technic Axle Connector Ridged [with x Hole x Orientation]	6538b	Black	2×
Technic Axle Connector Ridged [with x Hole x Orientation]	6538b	Light Gray	1×
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots	6558	Black	4×
Technic Gearbox 2 x 4 x 3 1/3	6588	Trans-Clear	2×
Technic Pin Connector Round [No Slot]	75535	Black	1×
Hose Rigid 3mm D. 10L / 8.0cm	75c10	Black	4×

Build DNA

Parts inventory insights for Vision Command [RCX Digital Colour Camera]

140 pieces puts this build -71% against the average Mindstorms set and -19% against the average 2000 release.

LEGOMINDSTORMS

Vs average Mindstorms set

-71%-339 parts

This set140

Average set479

Average Mindstorms set: 479 pieces across 33 other sets.

Vs average 2000 set

-19%-33 parts

This set140

Average set173

Average 2000 set: 173 pieces across 149 other sets.

Color profile

8different colors

Dominant color

Black

Black80x

57%

Light Gray20x

14%

Tan12x

Red10x

Unique parts

3.5 pieces per unique type

Repeat factor

Average pieces per unique type.

Most used part

Technic Pin with Friction Ridges Lengthwise and Center Slots

14x

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🧩40unique parts🎨8different colors📊17.5avg. parts per color🏆14×Technic Pin with Friction Ridges Lengthwise and Center Slots

🎨 All Mindstorms sets 📅 All sets from 2000

← Back to Buildable Sets