How many pieces does the LEGO Basic Building Set (4122-1) have?

The LEGO Basic Building Set set (4122-1) contains 201 pieces. It was released in 2000 as part of the LEGO Universal Building Set theme.

How can I find missing parts for LEGO set 4122-1?

On BrickMissing you can check which parts from the LEGO Basic Building Set (4122-1) you already own. Add your LEGO collection and we'll show exactly which of the 201 pieces you're missing and which you already have.

Can I build the LEGO Basic Building 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 201 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Basic Building Set from?

The LEGO Basic Building Set (4122-1) belongs to the LEGO Universal Building Set theme. You can browse all Universal Building Set sets on BrickMissing to find more sets from this theme.

Basic Building Set

🏷️ 4122-1•🎨 Universal Building Set•📅 2000•🧱 201 parts•Easy

Basic Building Set (4122-1) is a LEGO Universal Building Set from 2000. This page uses the available set and theme data until a fuller product description is available.

Parts Inventory

🧱 201 parts

Part	Color	Qty
Brick 2 x 6 2456	Red	2×
Brick 2 x 6 2456	Yellow	2×
Brick 2 x 4 3001	Light Bluish Gray	4×
Brick 2 x 4 3001	Black	4×
Brick 2 x 4 3001	White	6×
Brick 2 x 4 3001	Yellow	6×
Brick 2 x 4 3001	Dark Gray	4×
Brick 2 x 4 3001	Black	6×
Brick 2 x 4 3001	Red	6×
Brick 2 x 4 with Wavy Mouth and Eyes Print 3001pr0009	Light Bluish Gray	1×

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Brick 2 x 4	3001	Yellow	6×
Brick 2 x 4	3001	Dark Gray	4×
Brick 2 x 4	3001	Black	6×
Brick 2 x 4	3001	Red	6×
Brick 2 x 4 with Wavy Mouth and Eyes Print	3001pr0009	Light Bluish Gray	1×
Brick 2 x 4 with Wavy Mouth and Eyes Print	3001pr0009	Yellow	1×
Brick 2 x 3	3002	Light Bluish Gray	2×
Brick 2 x 3	3002	White	4×
Brick 2 x 3	3002	Black	2×
Brick 2 x 3	3002	Yellow	4×
Brick 2 x 3	3002	Red	4×
Brick 2 x 3	3002	Dark Gray	2×
Brick 2 x 3	3002	Black	4×
Brick 2 x 2	3003	Yellow	8×
Brick 2 x 2	3003	Dark Gray	4×
Brick 2 x 2	3003	Light Bluish Gray	6×
Brick 2 x 2	3003	White	8×
Brick 2 x 2	3003	Red	8×
Brick 2 x 2	3003	Black	6×
Brick 2 x 2	3003	Black	8×
Brick 2 x 2 with Eye with White Print on Two Sides, Offset	3003pr0053	White	2×
Brick 2 x 2 with Eye with White Print on Two Sides, Offset	3003pr0053	Red	2×
Brick 1 x 2	3004	Yellow	6×
Brick 1 x 2	3004	Red	6×
Brick 1 x 2	3004	Black	2×
Brick 1 x 2	3004	White	6×
Brick 1 x 2	3004	Black	4×
Brick 1 x 2	3004	Dark Gray	2×
Brick 1 x 2	3004	Light Bluish Gray	4×
Brick 1 x 2 with Black and White Squinting Eyes and Hair Print	3004pr9980	Yellow	1×
Brick 1 x 1 with Simple Eye Black and White Print	3005pr9996	Light Bluish Gray	2×
Brick 1 x 1 with Simple Eye Black and White Print	3005pr9996	Dark Gray	2×
Brick 2 x 8	3007	Red	2×
Brick 1 x 8	3008	Yellow	2×
Brick 1 x 8	3008	Red	2×
Brick 1 x 6	3009	Yellow	4×
Brick 1 x 6	3009	Red	4×
Brick 1 x 4	3010	Light Bluish Gray	2×
Brick 1 x 4	3010	Dark Gray	2×
Brick 1 x 4	3010	Yellow	4×
Brick 1 x 4	3010	Black	4×
Brick 1 x 4	3010	White	6×
Brick 1 x 4	3010	Black	2×
Brick 1 x 4	3010	Red	6×
Brick 1 x 2 without Bottom Tube	3065	Trans-Light Blue	2×
Brick 1 x 2 without Bottom Tube	3065	Trans-Green	2×
Brick 2 x 2 without Inside Ridges	6223	Trans-Dark Blue	2×
Brick 2 x 2 without Inside Ridges	6223	Trans-Green	2×
Flexible Hose 8.5L with Tabbed Ends (Ends same color as Tube)	73590c02a	Black	2×

Build DNA

Parts inventory insights for Basic Building Set

201 pieces puts this build -56% against the average Universal Building Set set and +16% against the average 2000 release.

LEGOUNIVERSAL BUILDING SET

Vs average Universal Building Set set

-56%-253 parts

This set201

Average set454

Average Universal Building Set set: 454 pieces across 55 other sets.

Vs average 2000 set

+16%+28 parts

This set201

Average set173

Average 2000 set: 173 pieces across 149 other sets.

Color profile

10different colors

Dominant color

Black

Black44x

22%

Red42x

21%

Yellow38x

19%

White32x

16%

Unique parts

12.6 pieces per unique type

Repeat factor

Average pieces per unique type.

13x

Most used part

Brick 2 x 2

48x

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🧩16unique parts🎨10different colors📊20.1avg. parts per color🏆48×Brick 2 x 2

🎨 All Universal Building Set sets 📅 All sets from 2000

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