About Heart Box
LEGO 10909 Heart Box is part of the LEGO Duplo theme, contains 80 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 Heart Box.
Heart Box: 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 10909 Heart Box worth today?
- BrickPicker currently values a sealed Heart Box at $35.00, based on 14 eBay sales over the last 180 days. That is 75% above its original $19.99 US retail price. The full price history is on this page.
- Is LEGO 10909 Heart Box a good investment?
- Since retiring, it has appreciated about 75% over its $19.99 retail price, with sealed copies now trading around $35.00. 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 10909 Heart Box retired?
- Yes. Heart Box retired in May 2025. Once retired, sets are only available on the aftermarket, which BrickPicker tracks through eBay sold prices and BrickLink listings.
