LEGO® Basic 503 Basic Building Set, 5+
Market value
Market value (new, sealed) on November 7, 2026: $13.96. See the value history
The Lego set Basic Building Set, 5+ with the set number 503 is part of the LEGO Basic theme and is recommended for ages 5 - 7. It was released in 1987. The model has 35 pieces, and we estimate it takes around < 1 hour to build.
Lego 503 product data
Set Information
Availability
Release
1987
Retiring Status
Retired
LEGO 503 price trend
Average sale price on secondary marketplaces – not the new price at retailers.
- Current market value
- $13.96
- Range
- $13.96 – $13.96
- Average
- $13.96
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Part Lists for LEGO 503 Basic Building Set, 5+
LEGO 503 Frequently Asked Questions
Is LEGO 503 still available?
LEGO has retired 503 Basic Building Set, 5+, and no retailer in our price comparison currently sells it new. Its market value on secondary marketplaces is $13.96.
