About LEGO Building Systems
LEGO 40505 LEGO Building Systems is part of the LEGO Promotional LEGO House theme, contains 1,211 pieces. Its original US MSRP was $99.99. BrickPicker tracks live retailer pricing across Amazon, Walmart, Target and LEGO.com, eBay sold history, BrickLink part-out value, retirement forecasts and an investment score for LEGO Building Systems.
LEGO Building Systems: your questions, our data
Answered live from BrickPicker’s market tracking, review analysis and retirement model — these update as the data does.
- What is LEGO 40505 LEGO Building Systems worth today?
- BrickPicker currently values a sealed LEGO Building Systems at $130.58, based on 10 eBay sales over the last 180 days. That is 31% above its original $99.99 US retail price. The full price history is on this page.
- Is LEGO 40505 LEGO Building Systems a good investment?
- It is still available at retail, and sealed examples currently trade around $130.58 versus a $99.99 MSRP. Retirement is usually the catalyst that moves a set's aftermarket price. BrickPicker subscribers get the full Max Profit analysis for this set, which weighs eBay sold trends, retirement timing, liquidity and reviewer sentiment into one verdict.
- Is LEGO 40505 LEGO Building Systems retired?
- No, it is currently available at retail. BrickPicker tracks its availability across major US retailers daily.
- How good is LEGO 40505 LEGO Building Systems according to reviews?
- LEGO Building Systems holds a BrickScore of 70 (Recommended), the consensus of 4 expert reviews from 4 sources. Read the full review analysis →
