Coming in at 513 pieces, the Kai Fighter (71704) is a quick but satisfying build from the Ninjago lineup. It debuted in 2020 at $39.99. The set includes 4 minifigures, adding play and display value.
Dollar for dollar at $0.078 per piece, this is one of the better deals in Ninjago.
For the price point, the Kai Fighter delivers a clean Ninjago build that's easy to recommend.
Key Features
513 pieces — Solid build size with a good level of detail
4 minifigures — Adds play value and aftermarket appeal
$0.078 per piece — Strong price-per-piece for this theme
Rebooted collection — Sought-after corner of the Ninjago lineup
From 2020 — Modern LEGO design and packaging quality
Theme Background
As a 2020 addition to Ninjago, part of the Rebooted subcollection, the Kai Fighter slots into the more affordable side of Ninjago. Ninjago is consistently one of the top-performing LEGO themes, and at $39.99 this set is priced accordingly. At $0.078 per piece, it punches above its weight on value.
Collectors following Ninjago specifically should note the Rebooted subtheme — it's a category that tends to draw attention and hold value, especially as sets in this tier age out of production.
Why This Set Is Special
175% above retail. Now trading at $109.99, up 175% from $39.99 RRP — a 27% annualized return over 4.2 years since retirement.
Top 10% value in Ninjago — At $0.078 per piece (#24 of 359), this is one of the best value-for-money sets in Ninjago.
Strong part-out value at 1.8x — Parts are worth $70.13 vs $39.99 retail (1.8x ratio). Theme average is 2.0x.
Frequently Asked Questions
[{"q": "How many pieces are in the LEGO Kai Fighter (71704)?", "a": "The LEGO Kai Fighter (71704) contains 513 pieces, making it a mid-range set. 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 Kai Fighter (71704)?", "a": "The LEGO Kai Fighter (71704) includes a solid complement of 4 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 Kai Fighter (71704) cost?", "a": "The retail price (MSRP) for the LEGO Kai Fighter (71704) is $39.99 in the United States. Regional pricing is \u00a334.99 in the UK, CA$49.99 in Canada, \u20ac39.99 in Europe. This works out to $0.08 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 Kai Fighter (71704) a good investment?", "a": "The LEGO Kai Fighter (71704) 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 Kai Fighter (71704) suitable for?", "a": "The LEGO Kai Fighter (71704) is recommended for ages 8+. The build is designed to be approachable for younger builders while still providing an enjoyable experience."}, {"q": "How big is the LEGO Kai Fighter (71704)?", "a": "The LEGO Kai Fighter (71704) measures approximately 38.2cm \u00d7 26.2cm \u00d7 5.7cm (W\u00d7H\u00d7D) and weighs 0.65kg. It makes for a great display piece that won't take up too much shelf space."}, {"q": "Is the LEGO Kai Fighter (71704) still available?", "a": "The LEGO Kai Fighter (71704) 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 Kai Fighter (71704)?", "a": "The LEGO Kai Fighter (71704) 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."}]
