About Basic Building Set, 4+
LEGO 4122 Basic Building Set, 4+ is part of the LEGO Basic theme, contains 201 pieces. Its original US MSRP was $19.99. 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 Basic Building Set, 4+.
Basic Building Set, 4+: 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 4122 Basic Building Set, 4+ worth today?
- BrickPicker currently values a sealed Basic Building Set, 4+ at $12.15, from live market tracking. That is 39% below its original $19.99 US retail price. The full price history is on this page.
- Is LEGO 4122 Basic Building Set, 4+ a good investment?
- It is still available at retail, and sealed examples currently trade around $12.15 versus a $19.99 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 4122 Basic Building Set, 4+ retired?
- No, it is currently available at retail. BrickPicker tracks its availability across major US retailers daily.
