How many pieces does the LEGO RoboSports (9730-1) have?

The LEGO RoboSports set (9730-1) contains 91 pieces. It was released in 1998 as part of the LEGO Mindstorms theme.

How can I find missing parts for LEGO set 9730-1?

On BrickMissing you can check which parts from the LEGO RoboSports (9730-1) you already own. Add your LEGO collection and we'll show exactly which of the 91 pieces you're missing and which you already have.

Can I build the LEGO RoboSports 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 91 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO RoboSports from?

The LEGO RoboSports (9730-1) belongs to the LEGO Mindstorms theme. You can browse all Mindstorms sets on BrickMissing to find more sets from this theme.

RoboSports

🏷️ 9730-1•🎨 Mindstorms•📅 1998•🧱 91 parts•Beginner

RoboSports (9730-1) is a LEGO Mindstorms from 1998. This page uses the available set and theme data until a fuller product description is available.

Parts Inventory

🧱 91 parts

Part	Color	Qty
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] 2654	Light Gray	1×
Brick 2 x 4 3001	Black	6×
Brick 2 x 2 3003	Black	8×
Brick 2 x 2 3003	Yellow	4×
Brick 1 x 2 3004	Black	8×
Plate 2 x 4 3020	Black	2×
Plate 2 x 4 3020	Light Gray	2×
Plate 6 x 8 3036	Yellow	4×
Slope 45? 2 x 2 3039	Yellow	4×
Technic Axle and Pin Connector Angled #3 - 157.5? 32016	Black	2×

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Plate 2 x 4	3020	Black	2×
Plate 2 x 4	3020	Light Gray	2×
Plate 6 x 8	3036	Yellow	4×
Slope 45? 2 x 2	3039	Yellow	4×
Technic Axle and Pin Connector Angled #3 - 157.5?	32016	Black	2×
Slope 33° 3 x 2 with Red '2' over Two Green Stripes Print	3298pr0023	Yellow	1×
Slope 33° 3 x 2 with Red '1' and Yellow Outline Print	3298pr0024	Black	1×
Slope 33° 3 x 2 with Red '3', Black Triangle Print	3298pr0037	Red	1×
Plate 1 x 8	3460	Black	2×
Tyre 43 x 17	3634	Black	2×
Technic Gear 8 Tooth	3647	Light Gray	3×
Technic Gear 24 Tooth [Old Style - Three axle holes]	3648a	Light Gray	2×
Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]	3660	Yellow	2×
Technic Brick 1 x 16 [15 Pin Holes]	3703	Black	4×
Technic Axle 4	3705	Black	2×
Plate 1 x 4	3710	Black	2×
Slope Inverted 33° 3 x 2 [Connections between Studs]	3747b	Yellow	2×
Plate 2 x 6	3795	Black	2×
Technic Brick 1 x 12 [11 Pin Holes]	3895	Black	2×
Brick Special 1 x 1 with Headlight	4070	Black	2×
CD-Rom, for 9730	4113096	Unknown	1×
Playmat, Test Mat for Mindstorms RoboSports	4122123	Unknown	1×
Plate 1 x 10	4477	Black	2×
Wire with Brick 2 x 2 x 2/3 Pair, 20L	5306bc020	Black	1×
Tyre 43.2 x 28 Balloon Small	6579	Black	2×
Wheel 43.2 x 28 Balloon Small	6580	Yellow	2×
Rubber Band Large [Square Cross Section]	70158	White	3×
Motor, 9V Mini [Old Style]	71427c01	Light Gray	1×
Ball 41mm	72048	Yellow	2×
Hose Rigid 3mm D. 18L / 14.4cm	75c18	Black	2×
Rubber Belt Small [15mm ID] [Round Cross Section]	85543	White	1×
Disk 45mm x 15mm	upn0242	Black	2×

Build DNA

Parts inventory insights for RoboSports

91 pieces puts this build -81% against the average Mindstorms set and -64% against the average 1998 release.

LEGOMINDSTORMS

Vs average Mindstorms set

-81%-389 parts

This set91

Average set480

Average Mindstorms set: 480 pieces across 33 other sets.

Vs average 1998 set

-64%-164 parts

This set91

Average set255

Average 1998 set: 255 pieces across 173 other sets.

Color profile

7different colors

Dominant color

Black

Black54x

59%

Yellow21x

23%

Light Gray9x

10%

White4x

Unique parts

2.6 pieces per unique type

Repeat factor

Average pieces per unique type.

Most used part

Brick 2 x 2

12x

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

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Build Insights🧩35unique parts🎨7different colors📊13avg. parts per color🏆12×Brick 2 x 2

🎨 All Mindstorms sets 📅 All sets from 1998

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