LEGO 105 Building Set is a vintage Universal Building Set set from 1973 valued at $358 for new and sealed sets, up 5871% from an original retail price of $6.00. Annual appreciation has averaged 8.03% since release. On the used market, values range from $40 to $90 based on condition.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Building Set since June 1973. Medium accuracy
LEGO 105-2 Building Set is a Universal Building Set Basic Set released in 1973, containing 149 pieces. It is a free-building assortment of classic bricks and plates in black, blue, red, and white, including several early mold variants such as 2x2 and 2x4 bricks without inside or cross supports. Parts include doors and windows with fixed glass, shutters, a blue 4x8 plate, and a large green 10x20 base brick. The set also provides vehicle elements with modified 2x4 bricks with wheel holders, red wheels with metal axle cams, and small smooth tires.

A new and sealed Building Set is currently valued at around $358, with annual growth of approximately 8%, which is higher than other Basic Set sets. The average used price is $56 for those in good overall condition. Based on current trends, this set could be valued near $385 within the next year.

For Sale (New/Sealed)

(US) NEW SEALED LEGO 105 Building Set - RETIRED Universal Building Set Basic Set 1973
BrickEconomy Choice
$357.95

For Sale (Used)

(US) Used - Basic Universal Building System 105 Set 1973 Vintage 100% Complete w/ Box
$34.99
--37.9%
(US) Used - 100% Complete set, no box or paperwork. Set in used condition, expect some dig... $39.99
(US) Used - 105 Basic Universal Building System Set 1973 Vintage 100% Complete w/ Box
$75.00
(US) Used - 105 UNIVERSAL BUILDING SET BASIC SET. 150 Pieces
$75.00
(US) Used - 1973 LEGO Building Set 105 Vintage, Classic, Rare - May not be complete
$75.00

Sets in Universal Building Set / Basic Set

8-3 Basic Set #8

Year 1973
Pieces 776
Availability Retired
8-3 LEGO Basic Set #8
Retail $19.00
Value $572.30
Growth  +2912.1%
Annual growth 6.6%

7-3 Basic Set

Year 1973
Pieces 415
Availability Retired
7-3 LEGO Basic Set
Retail $15.99
Value $277.57
Growth  +1635.9%
Annual growth 5.5%

5-3 Basic Set

Year 1973
Pieces 349
Availability Retired
5-3 LEGO Basic Set
Retail $6.99
Value $226.79
Growth  +3144.5%
Annual growth 7.4%

6-3 Basic Set

Year 1973
Pieces 349
Availability Retired
6-3 LEGO Basic Set
Retail $12.99
Value $464.59
Growth  +3476.5%
Annual growth 7.0%

135 Building Set

Year 1973
Pieces 338
Availability Retired
135 LEGO Building Set
Retail $7.89
Value $364.80
Growth  +4523.6%
Annual growth 10.3%

4-3 Basic Set

Year 1973
Pieces 230
Availability Retired
4-3 LEGO Basic Set
Retail $8.99
Value $704.01
Growth  +7731.0%
Annual growth 8.6%

115 Building Set

Year 1973
Pieces 190
Availability Retired
115 LEGO Building Set
Retail $5.99
Value $333.66
Growth  +5470.3%
Annual growth 5.0%

2-7 Basic Set

Year 1973
Pieces 184
Availability Retired
2-7 LEGO Basic Set
Retail $7.99
Value $128.83
Growth  +1512.4%
Annual growth 7.2%

3-4 Basic Set

Year 1973
Pieces 184
Availability Retired
3-4 LEGO Basic Set
Retail $7.99
Value $200.48
Growth  +2409.1%
Annual growth 3.4%

1-7 Basic Set

Year 1973
Pieces 107
Availability Retired
1-7 LEGO Basic Set
Retail $5.99
Value $594.60
Growth  +9826.5%
Annual growth 10.0%