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720 LEGO Basic Building Set thumbnail image

720 LEGO Basic Building Set
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720 LEGO Basic Building Set
  • Basic Building Set thumbnail
  • Basic Building Set thumbnail
  • Basic Building Set thumbnail

LEGO 720 Basic Building Set is a vintage Basic set from 1985 valued at $250 for new and sealed sets, up 900% from an original retail price of $25.00. Annual appreciation has averaged 5.40% since release. Used copies are valued between $27 and $35 depending on condition.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Basic Building Set since November 2017. High accuracy
LEGO 720-1 Basic Building Set is a Basic theme set released in 1985, containing 334 pieces and 1 Classic Town-style minifigure. It is a general-purpose assortment of standard LEGO bricks and elements intended for open-ended building. It includes a wide range of bricks, plates, slopes, hinge pieces, vehicle parts (wheels, axles), a large baseplate, and a string component. The set supports a variety of simple models and integrates a minifigure for character-based play.

A new and sealed Basic Building Set is currently valued at around $250, with annual growth of approximately 5%, which is higher than other Basic sets. The average used price is $29 for those in good overall condition. Based on current trends, this set could be valued near $264 within the next year.
All regions

For Sale (New/Sealed)

 (US) Sealed box in great condition. Old toys r us price sticker on one side. $250.00
All regions

For Sale (Used)

 (US) Used - eBay listing for 720 Basic Building Set $29.39
(NL) Used, Complete No instruction | No box $31.49
(US) Used - Good condition, whites a a bit worse, dirty, light yellow. $34.95
(US) Used - Instructions are in poor condition and incomplete. No box. Parts are good but ... $35.00
(US) Used - Complete set with some worn pieces. Stored properly in a smoke-free house sinc... $35.00

Minifigs

Basic Building Set contains 1 minifig. The minifigure is exclusive to this set.
pln029
Male with Plain Black Torso
Minifigure with plain black torso and black arms, wearing a black hat and blue legs - pln029
Exclusive
Value $6.68

More sets in Basic

540 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 626 / 2
Availability Retired
540 LEGO Basic Building Set
Retail $19.95
Value $97.67
Growth  +389.6%
Annual growth 3.3%

550 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 569 / 2
Availability Retired
550 LEGO Basic Building Set
Retail $42.00
Value $352.67
Growth  +739.7%
Annual growth 5.0%

740 Basic Building Set

Theme Basic
Year 1985
Pieces 516
Availability Retired
740 LEGO Basic Building Set
Retail $60.00
Value $277.27
Growth  +362.1%
Annual growth 3.8%

730-2 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 429 / 2
Availability Retired
730-2 LEGO Basic Building Set
Retail $30.00
Value $124.31
Growth  +314.4%
Annual growth 3.5%

350-2 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 311 / 4
Availability Retired
350-2 LEGO Basic Building Set
Retail $14.95
Value $387.81
Growth  +2494.0%
Annual growth 8.7%

530 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 269 / 2
Availability Retired
530 LEGO Basic Building Set
Retail $14.95
Value $103.74
Growth  +593.9%
Annual growth 3.6%

340 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 214 / 2
Availability Retired
340 LEGO Basic Building Set
Retail $2.95
Value $77.72
Growth  +2534.6%
Annual growth 8.3%

1962 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 211 / 1
Availability Retired
1962 LEGO Basic Building Set
Retail $15.00
Value $256.31
Growth  +1608.7%
Annual growth 4.2%

1520 Basic Building Set with Storage Case

Theme Basic
Year 1985
Pieces / Minifigs 210 / 1
Availability Retired
1520 LEGO Basic Building Set with Storage Case
Retail $16.49
Value $210.05
Growth  +1173.8%
Annual growth 6.4%

520 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 165 / 1
Availability Retired
520 LEGO Basic Building Set
Retail $12.95
Value $44.47
Growth  +243.4%
Annual growth 3.1%

330 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 156 / 2
Availability Retired
330 LEGO Basic Building Set
Retail $9.95
Value $120.43
Growth  +1110.4%
Annual growth 6.3%

510 Basic Building Set

Theme Basic
Year 1985
Pieces 106
Availability Retired
510 LEGO Basic Building Set
Retail $3.50
Value $57.82
Growth  +1552.0%
Annual growth 6.2%

320 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 77 / 1
Availability Retired
320 LEGO Basic Building Set
Retail $7.97
Value $43.17
Growth  +441.7%
Annual growth 3.8%

508 Basic Building Set

Theme Basic
Year 1985
Pieces 66
Availability Retired
508 LEGO Basic Building Set
Retail $4.95
Value $20.18
Growth  +307.7%
Annual growth 2.3%

310-4 Basic Building Set

Theme Basic
Year 1985
Pieces 46
Availability Retired
310-4 LEGO Basic Building Set
Retail $5.00
Value $35.33
Growth  +606.6%
Annual growth 3.0%

504 Basic Building Set

Theme Basic
Year 1985
Pieces 41
Availability Retired
504 LEGO Basic Building Set
Retail $3.95
Value $44.53
Growth  +1027.3%
Annual growth 5.8%

1548-2 Helicopter

Theme Basic
Year 1985
Pieces 36
Availability Retired
1548-2 LEGO Helicopter
promotional
Value $113.12
Annual growth 3.1%

1562-2 Basic Building Set

Theme Basic
Year 1985
Pieces 32
Availability Retired
1562-2 LEGO Basic Building Set
Retail $4.00
Value $8.83
Growth  +120.8%
Annual growth 2.0%

1965 Building Set Trial Size Offer

Theme Basic
Year 1985
Pieces / Minifigs 32 / 1
Availability Retired
1965 LEGO Building Set Trial Size Offer
Retail $1.50
Value $125.00
Growth  +8233.3%
Annual growth 12.2%

304 Basic Building Set

Theme Basic
Year 1985
Pieces 31
Availability Retired
304 LEGO Basic Building Set
Retail $2.00
Value $14.83
Growth  +641.5%
Annual growth 3.5%

308-2 Basic Building Set

Theme Basic
Year 1985
Pieces 30
Availability Retired
308-2 LEGO Basic Building Set
Retail $3.00
Value $25.00
Growth  +733.3%
Annual growth 5.3%

1964 Basic Building Set

Theme Basic
Year 1985
Pieces 27
Availability Retired
1964 LEGO Basic Building Set
Retail $1.49
Value $47.95
Growth  +3118.1%
Annual growth 6.6%

1546 Aircraft

Theme Basic
Year 1985
Pieces / Minifigs 26 / 1
Availability Retired
1546 LEGO Aircraft
promotional
Value $102.66
Annual growth 10.3%

1551 Duck

Theme Basic
Year 1985
Pieces 6
Availability Retired
1551 LEGO Duck
Retail $0.40
Value $5.08
Growth  +1170.0%
Annual growth 8.4%

293-2 Basic Building Set

Theme Basic
Year 1985
Availability Retired
293-2 LEGO Basic Building Set
Retail $7.00

My Collection

Basic Building Set Reviews

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4.6
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About Basic

The LEGO Basic theme, which began in the 1970s, was designed to be a more general, non-thematic series of sets. Unlike the themed sets that revolve around specific stories, characters, or concepts (e.g., space, city, or pirates), the Basic theme provided a collection of standard LEGO bricks and pieces, often in a variety of colors. The goal was to encourage free building and creativity without the confines of a specific theme or narrative.
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