Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Basic Building Set since June 2016. High accuracy
LEGO 504 Basic Building Set was a 41 piece Basic set released in 1985. The current value for a new, factory sealed Basic Building Set is estimated to be around $31. Current used prices for Basic Building Set range from $25 to $28, depending on the set's condition, with an average price of $26 for those in good overall condition.

For Sale (New/Sealed)

(US) 1986 Vintage LEGO Trial Size 25pc Basic Building Set #1523
BrickEconomy Choice
$25.00
(US) 1986 Vintage LEGO Trial Size 25pc Basic Building Set #1523 $29.99
-2.8%
(US) Vintage Lego Systems Basic Building Set 515 New in box $30.00
-2.7%

More sets in Basic

540 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 626 / 2
Availability Retired
540 LEGO Basic Building Set
Value $87.66

550 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 569 / 2
Availability Retired
550 LEGO Basic Building Set
Retail $42.00
Value $345.82
Growth  +723.4%
Annual growth 5.3%

740 Basic Building Set

Theme Basic
Year 1985
Pieces 516
Availability Retired
740 LEGO Basic Building Set
Retail $60.00
Value $295.17
Growth  +392.0%
Annual growth 2.6%

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 $134.61
Growth  +348.7%
Annual growth 3.8%

720 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 334 / 1
Availability Retired
720 LEGO Basic Building Set
Retail $25.00
Value $202.41
Growth  +709.6%
Annual growth 5.3%

350-2 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 311 / 4
Availability Retired
350-2 LEGO Basic Building Set
Value $337.19

530 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 269 / 2
Availability Retired
530 LEGO Basic Building Set
Value $145.24

340 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 214 / 2
Availability Retired
340 LEGO Basic Building Set
Value $63.26

1962 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 211 / 1
Availability Retired
1962 LEGO Basic Building Set
Value $223.48

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 $199.99
Growth  +1112.8%
Annual growth 6.6%

520 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 165 / 1
Availability Retired
520 LEGO Basic Building Set
Value $38.41

330 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 156 / 2
Availability Retired
330 LEGO Basic Building Set
Value $83.81

510 Basic Building Set

Theme Basic
Year 1985
Pieces 106
Availability Retired
510 LEGO Basic Building Set
Retail $1.50
Value $66.63
Growth  +4342.0%
Annual growth 8.2%

320 Basic Building Set

Theme Basic
Year 1985
Pieces / Minifigs 77 / 1
Availability Retired
320 LEGO Basic Building Set
Retail $7.97
Value $43.78
Growth  +449.3%
Annual growth 3.9%

508 Basic Building Set

Theme Basic
Year 1985
Pieces 66
Availability Retired
508 LEGO Basic Building Set
Value $24.97

310-4 Basic Building Set

Theme Basic
Year 1985
Pieces 46
Availability Retired
310-4 LEGO Basic Building Set
Retail $5.00
Value $20.00
Growth  +300.0%
Annual growth 3.5%

1548-2 Helicopter

Theme Basic
Year 1985
Pieces 36
Availability Retired
1548-2 LEGO Helicopter
Value $101.92

1562-2 Basic Building Set

Theme Basic
Year 1985
Pieces 32
Availability Retired
1562-2 LEGO Basic Building Set
Value $15.00

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 $111.53
Growth  +7335.3%
Annual growth 11.4%

304 Basic Building Set

Theme Basic
Year 1985
Pieces 31
Availability Retired
304 LEGO Basic Building Set
Value $18.82

308-2 Basic Building Set

Theme Basic
Year 1985
Pieces 30
Availability Retired
308-2 LEGO Basic Building Set
Value $27.03

1964 Basic Building Set

Theme Basic
Year 1985
Pieces 27
Availability Retired
1964 LEGO Basic Building Set
Retail $1.49
Value $15.73
Growth  +955.7%
Annual growth 6.1%

1546 Aircraft

Theme Basic
Year 1985
Pieces / Minifigs 26 / 1
Availability Retired
1546 LEGO Aircraft

1551 Duck

Theme Basic
Year 1985
Pieces 6
Availability Retired
1551 LEGO Duck
Retail $0.40
Value $5.14
Growth  +1185.0%
Annual growth 9.0%

293-2 Basic Building Set

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