LEGO 311 Basic Building Set is a vintage Basic set from 1984 valued at $36 for new and sealed sets, up 416% from an original retail price of $6.99. Annual appreciation has averaged 4.31% 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 $36, with annual growth of approximately 3%, which is lower than other Basic sets. The average used price is $11 for those in good overall condition. Based on current trends, this set could be valued near $38 within the next year.
It has been a few months since we last saw 311-3 Basic Building Set available in either primary or secondary markets. Its true value may be slightly higher than our current 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 $40.98
Growth  +415.5%
Annual growth 3.5%

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 $9.05
Growth  +206.8%
Annual growth 7.0%