Coming in at 968 pieces, the Fire Stone Mech (71720) is a well-sized set that hits a nice sweet spot from the Ninjago lineup. It debuted in 2020 at $69.99. It comes packed with 5 minifigs — always a nice bonus for collectors.
The price-per-piece lands at $0.072 — that's really strong value.
The Fire Stone Mech is a solid entry in the Ninjago range — nothing flashy, but well-built and fun.
Key Features
968 pieces — Solid build size with a good level of detail
5 minifigures — Adds play value and aftermarket appeal
$0.072 per piece — Strong price-per-piece for this theme
Master of the Mountain collection — Sought-after corner of the Ninjago lineup
2020 release — Part of LEGO's modern era with strong design standards
Theme Background
LEGO's Ninjago theme is a powerhouse in the LEGO lineup with serious collector following, and the Fire Stone Mech is a 2020 release that lands in a great entry point into the Ninjago theme at $69.99. At $0.072 per piece, it punches above its weight on value.
Within Ninjago, the Master of the Mountain sets have carved out their own niche. If you're tracking Ninjago for investment or just collecting, the Master of the Mountain releases are usually among the more interesting ones to watch.
Why This Set Is Special
129% above retail. Now trading at $160.00, up 129% from $69.99 RRP — a 22% annualized return over 4.2 years since retirement.
Part-out value 2.0x retail — The individual parts are worth $142.17 on BrickLink — 2.0x the $69.99 retail price. Exceptional part-out value.
Top 10% value in Ninjago — At $0.072 per piece (#13 of 359), this is one of the best value-for-money sets in Ninjago.
Frequently Asked Questions
[{"q": "How many pieces are in the LEGO Fire Stone Mech (71720)?", "a": "The LEGO Fire Stone Mech (71720) contains 968 pieces, making it a mid-range set. Within the Ninjago theme, it ranks in the top 13% by piece count. This set offers a manageable build that can be completed in a sitting or two, making it a good choice for builders of all experience levels."}, {"q": "What minifigures come with the LEGO Fire Stone Mech (71720)?", "a": "The LEGO Fire Stone Mech (71720) includes a solid complement of 5 minifigures. Minifigures are a key value driver for LEGO sets \u2014 exclusive or rare minifigures can appreciate significantly in value on their own, sometimes commanding high prices on the secondary market."}, {"q": "How much does the LEGO Fire Stone Mech (71720) cost?", "a": "The retail price (MSRP) for the LEGO Fire Stone Mech (71720) is $69.99 in the United States. Regional pricing is \u00a364.99 in the UK, CA$99.99 in Canada, \u20ac69.99 in Europe. This works out to $0.07 per piece. That places it in the top 25% of Ninjago sets for value \u2014 you get a lot of pieces for the price you pay."}, {"q": "Is the LEGO Fire Stone Mech (71720) a good investment?", "a": "The LEGO Fire Stone Mech (71720) shows moderate investment potential based on several factors. Key investment signals include: excellent price-per-piece value. Ninjago sets have historically been among the best-performing themes for post-retirement appreciation. As with any LEGO investment, buying at or below retail price maximizes potential returns. Use the BrickBucks price tracker to find the best entry point."}, {"q": "What age is the LEGO Fire Stone Mech (71720) suitable for?", "a": "The LEGO Fire Stone Mech (71720) is recommended for ages 9+. The build is designed to be approachable for younger builders while still providing an enjoyable experience."}, {"q": "How big is the LEGO Fire Stone Mech (71720)?", "a": "The LEGO Fire Stone Mech (71720) measures approximately 35.4cm \u00d7 37.8cm \u00d7 7.1cm (W\u00d7H\u00d7D) and weighs 1.03kg. It makes for a great display piece that won't take up too much shelf space."}, {"q": "Is the LEGO Fire Stone Mech (71720) still available?", "a": "The LEGO Fire Stone Mech (71720) retired on December 31, 2021 and is no longer available at retail. You can find this set on secondary markets including Amazon, eBay, and BrickLink. Retired Ninjago sets often trade at a premium above their original retail price, with demand typically increasing over time as sealed inventory decreases."}, {"q": "Where can I buy the LEGO Fire Stone Mech (71720)?", "a": "The LEGO Fire Stone Mech (71720) is retired and only available on secondary markets. Check Amazon, eBay, and BrickLink for current listings. Use the BrickBucks price tracker to compare prices across retailers and find the best deal."}]
