LEGO 311 Basic Building Set is a vintage Basic set from 1984 valued at $46 for new and sealed sets, up 560% from an original retail price of $6.99. Annual appreciation has averaged 4.67% since release. Used copies are valued between $10 and $13 depending on condition.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Basic Building Set since February 2017. High accuracy
LEGO 311-3 Basic Building Set is a Basic theme set released in 1984, containing 83 pieces. It offers an assortment of standard LEGO elements intended for open-ended construction and simple model building. The selection focuses on core bricks and plates to support foundational building techniques suitable for a general starter assortment.

A new and sealed Basic Building Set is currently valued at around $46, with annual growth of approximately 3%. The average used price is $11 for those in good overall condition. Based on current trends, this set could be valued near $48 within the next year.
Basic Building Set is a relatively rare set. We have not seen set 311-3 for sale in primary or secondary markets for over 6 months. Its market value is likely somewhat higher than our estimate. The last brand new Basic Building Set was sold on eBay.
There are currently no new/sealed listings available for Basic Building Set at this time.
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Sets in Basic

1954-2 Basic Set with Storage Case

Theme Basic
Year 1984
Pieces / Minifigs 137 / 1
Availability Retired
1954-2 LEGO Basic Set with Storage Case
Retail $12.99

533 Basic Building Set

Theme Basic
Year 1984
Pieces 89
Availability Retired
533 LEGO Basic Building Set
Retail $7.95
Value $43.02
Growth  +441.1%
Annual growth 3.8%

1932 Basic Building Set with Storage Case

Theme Basic
Year 1984
Pieces 83
Availability Retired
1932 LEGO Basic Building Set with Storage Case
Retail $15.00
Value $205.00
Growth  +1266.7%
Annual growth 6.6%

1901 Trial Size Offer

Theme Basic
Year 1984
Pieces 31
Availability Retired
1901 LEGO Trial Size Offer
Retail $2.95
Value $9.07
Growth  +207.5%
Annual growth 7.0%