How many pieces are in the Basic Building Set?

Basic Building Set contains 537 pieces.

When was the Basic Building Set released?

Basic Building Set was released in 1990.

🏛 Basic

Set #735

Basic Building Set

The Basic Building Set 735-1 is a nostalgic trip back to classic LEGO creativity.

Before you buy

Who it's for: Beginner build Ideal for children and adults who enjoy creative, unstructured building with classic LEGO elements.
Build: 537 pieces · about 4.5 hours Build time is an estimate.
Availability: Likely retired

★★★★☆ 4.2 community rating from 33 ratings

Fans appreciate the set's large number of bricks and the nostalgic feel of a classic LEGO set. Some find the lack of specific building instructions limiting, while others enjoy the freedom to create their own designs.

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📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

The Basic Building Set 735-1 is a nostalgic trip back to classic LEGO creativity. This set, released in 1990, offers a generous collection of basic bricks and elements perfect for sparking imagination and free-form building. With a substantial piece count for its time, it provides a foundation for countless creations.

This set is perfect for LEGO enthusiasts of all ages who appreciate the simplicity and open-ended possibilities of classic LEGO. It's an excellent choice for introducing younger builders to the joy of LEGO or for experienced builders looking to expand their parts collection with essential elements.

Skip this if you're looking for a highly detailed, pre-designed model with specific instructions. Modern LEGO sets like those in the Creator or Ideas lines offer more structured building experiences with advanced techniques and intricate designs.

✨ New

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🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

537

Pieces

⏱

4.5h

Estimated Build Time

📊

Beginner

Difficulty

Build Highlights:

Large assortment of classic LEGO bricks and plates
Encourages imaginative and free-form building
Suitable for various skill levels
Provides a great foundation for expanding a LEGO collection

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI

Not enough price history for a trend

Investment Grade

⏳ Retired

The Basic Building Set 735-1 presents a moderate investment opportunity. As a vintage set from 1990, it holds nostalgic appeal for collectors. The high piece count and variety of basic elements make it desirable for both builders and investors. However, its value is tied to its condition and completeness, including the original box and instructions. While not as sought-after as licensed themes, the set's classic nature and potential for part usage provide a degree of investment stability. Expect slow but steady appreciation, particularly for sets in excellent condition.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

⚖ Compare Similar Sets

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This set offers a classic, open-ended building experience, unlike modern sets with specific models and instructions. While sets like the LEGO Classic series (e.g., 11017-1) offer similar basic bricks, this vintage set has a unique charm and nostalgic appeal. Collectors may prefer this set for its rarity and historical significance, while casual builders might opt for newer sets with more contemporary building techniques and diverse parts.

📦 Parts Inventory

Official piece count: 537
Parts cataloged in this inventory: 103 unique parts, 538 pieces

LEGO counts 537 pieces. This inventory comes from a separate parts catalog and lists 538; the two do not always count the same elements, so their totals differ. Spare parts are counted in neither figure.

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

Minifig Hose Nozz...

Part #: 194c04 2× Light Gray

Tyre 30 x 10.5 Of...

Part #: 2346 8× Black

Part #: 2500c01 2× White

Plate Special 1 x...

Part #: 2508 1× White

Brick 2 x 4

Part #: 3001 1× Red

Brick 2 x 2

Part #: 3003 1× Light Gray

Brick 2 x 2

Part #: 3003 4× White

Brick 2 x 2

Part #: 3003 2× Red

Brick 1 x 2

Part #: 3004 2× Black

Brick 1 x 2

Part #: 3004 24× Red

Brick 1 x 2

Part #: 3004 1× Light Gray

Brick 1 x 2

Part #: 3004 8× White

Brick 1 x 1

Part #: 3005 28× Red

Brick 1 x 1

Part #: 3005 2× Light Gray

Brick 1 x 1 with ...

Part #: 3005pr9998 4× White

Part #: 3009 2× White

Brick 1 x 4

Part #: 3010 10× Red

Brick 1 x 4 with ...

Part #: 3010pr9976 1× White

Plate 2 x 4

Part #: 3020 3× White

Plate 2 x 4

Part #: 3020 1× Light Gray

Plate 2 x 3

Part #: 3021 12× White

Plate 2 x 3

Part #: 3021 2× Black

Plate 2 x 2

Part #: 3022 3× White

Plate 1 x 2

Part #: 3023 8× Red

Plate 1 x 2

Part #: 3023 6× White

Plate 1 x 1

Part #: 3024 2× Trans-Yellow

Plate 1 x 1

Part #: 3024 8× Red

Plate 1 x 1

Part #: 3024 2× Light Gray

Plate 4 x 12

Part #: 3029 1× Red

Plate 4 x 4

Part #: 3031 1× White

Plate 4 x 6

Part #: 3032 1× White

Plate 4 x 6

Part #: 3032 2× Red

Plate 2 x 8

Part #: 3034 1× White

Plate 4 x 8

Part #: 3035 3× Red

Plate 4 x 8

Part #: 3035 5× White

Plate 6 x 8

Part #: 3036 2× Red

Plate 6 x 8

Part #: 3036 1× White

Part #: 3039pr9996 3× Light Gray

Brick Sloped 45° ...

Part #: 3040b 2× Light Gray

Brick Sloped 45° ...

Part #: 3040b 2× Red

Brick Round 1 x 1...

Part #: 3062b 4× Yellow

Brick Round 1 x 1...

Part #: 3062b 3× Blue

Brick Round 1 x 1...

Part #: 3062b 8× Light Gray

Tile 2 x 2 with G...

Part #: 3068b 2× Red

Tile 2 x 2 with G...

Part #: 3068b 1× Light Gray

Tile 2 x 2 with W...

Part #: 3068bpr0029 1× White

Tile 2 x 2 with R...

Part #: 3068bpr0030 1× White

Tile 1 x 1 with R...

Part #: 3070bpr0031 2× Yellow

Hook, Plate 1 x 2...

Part #: 3127 1× Light Gray

Hinge Plate 2 x 5...

Part #: 3149bc01 1× Red

Plate Special 3 x...

Part #: 3176 1× White

Plate Special 1 x...

Part #: 3183a 1× White

Part #: 3192 3× Light Gray

Door 1 x 3 x 4 Left

Part #: 3193 3× Light Gray

Door 1 x 3 x 4 Left

Part #: 3193 1× Red

Brick 1 x 2 x 2 w...

Part #: 3245bpr0010 2× Red

Turntable 4 x 4 S...

Part #: 3403c01 1× Red

Plate 1 x 8

Part #: 3460 3× White

Plate 1 x 8

Part #: 3460 14× Red

Wheel with Split ...

Part #: 3482 8× White

Brick 1 x 3

Part #: 3622 8× Red

Brick 1 x 3

Part #: 3622 4× White

Brick 1 x 3 with ...

Part #: 3622pr9994 2× White

Fence Lattice 1 x...

Part #: 3633 9× White

Brick Sloped Inve...

Part #: 3660 12× White

Part #: 3666 2× White

Turntable 2 x 2 P...

Part #: 3679 1× Light Gray

Part #: 3707 4× Black

Plate 1 x 4

Part #: 3710 1× White

Plate 1 x 4

Part #: 3710 1× Light Gray

Plate 1 x 4

Part #: 3710 9× Red

Technic Bush

Part #: 3713 2× Light Gray

Part #: 3823 2× Trans-Light Blue

Steering Stand 1 ...

Part #: 3829c01 1× Light Gray

Plate 2 x 10

Part #: 3832 2× White

Weapon Axe

Part #: 3835 2× Light Gray

Equipment Shovel ...

Part #: 3837 2× Dark Gray

Plate Special 1 x...

Part #: 3839b 1× Light Gray

Tool Pickaxe

Part #: 3841 2× Dark Gray

Part #: 3941pr0002 3× Light Gray

Plate 6 x 6

Part #: 3958 1× Red

Brick Special 1 x...

Part #: 4070 2× Light Gray

Brick Special 1 x...

Part #: 4070 8× White

Part #: 4081b 2× White

Plate Special 1 x...

Part #: 4081b 4× Red

Plate Special 1 x...

Part #: 4085c 12× Red

Plate Special 1 x...

Part #: 4175 2× Light Gray

Ladder 14 x 2.5

Part #: 4207 3× Light Gray

String Reel 2 x 4...

Part #: 4208 3× Black

String Reel 2 x 4...

Part #: 4209 1× Red

String Reel 2 x 4...

Part #: 4209 2× Yellow

Technic Bush 1/2 ...

Part #: 4265a 12× Light Gray

Equipment Weapon,...

Part #: 4349 2× Light Gray

Plate 1 x 10

Part #: 4477 4× Red

Tool Hammer / Mal...

Part #: 4522 2× Black

Cone 1 x 1 [No To...

Part #: 4589 1× Light Gray

Tap 1 x 1 with Ho...

Part #: 4599a 8× Light Gray

Plate 2 x 4 with ...

Part #: 4757 2× White

Plate 2 x 8 with ...

Part #: 4758 2× White

Battery Box, 9V S...

Part #: 4760c01 1× White

Light Brick 1 x 2...

Part #: 4767 2× White

Brick Round 1 x 1...

Part #: 4770 6× Trans-Yellow

Brick Round 1 x 1...

Part #: 4770 4× Trans-Red

Brick Round 1 x 1...

Part #: 4770 4× Trans-Dark Blue

Brick Round 1 x 1...

Part #: 4770 4× Trans-Green

Light Brick 1 x 4...

Part #: 4771 1× White

Sound Brick, Roun...

Part #: 4774c01 1× Black

Panel 1 x 2 x 2 [...

Part #: 4864a 2× Trans-Light Blue

Bar 1 x 6 [Open S...

Part #: 4873 2× White

Wire with Brick 2...

Part #: 5306bc015 2× Black

String Cord Thin ...

Part #: 56823c150 1× Black

Plate Round 1 x 1...

Part #: 6141 4× White

Plate Round 1 x 1...

Part #: 6141 4× Trans-Clear

Plate Round 1 x 1...

Part #: 6141 8× Trans-Yellow

Plate Round 1 x 1...

Part #: 6141 8× Light Gray

Plate Round 1 x 1...

Part #: 6141 6× Trans-Dark Blue

Plate Round 1 x 1...

Part #: 6141 6× Trans-Red

Flexible Hose 8.5...

Part #: 73590c01b 2× Yellow

This set is a great source of classic red and white bricks, plates, and slopes. The inclusion of headlight bricks and Technic bushes adds versatility for building vehicles and other models. The parts selection is ideal for builders looking to expand their collection of basic LEGO elements.