About Fire Stone Mech

LEGO 71720 Fire Stone Mech is part of the LEGO Ninjago Master of the Mountain theme, contains 968 pieces, includes 5 minifigures. Its original US MSRP was $69.99. 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 Fire Stone Mech.

Answered live from BrickPicker’s market tracking, review analysis and retirement model — these update as the data does.

Is LEGO 71720 Fire Stone Mech retired?

Yes. Fire Stone Mech retired in October 2021. Once retired, sets are only available on the aftermarket, which BrickPicker tracks through eBay sold prices and BrickLink listings.