Coming in at 61 pieces, the Kai - Spinjitzu Master (70633) is a neat little set from the Ninjago lineup. It debuted in 2018 at $9.99. The set includes 1 minifigure, adding play and display value.
Price-per-piece sits at $0.164. Not the cheapest, but you're paying for the design and theme licensing.
For the price point, the Kai - Spinjitzu Master delivers a clean Ninjago build that's easy to recommend.
Key Features
61 pieces — Compact and purpose-built — great for a quick session
1 minifigure — Adds play value and aftermarket appeal
$0.164 per piece — Strong price-per-piece for this theme
Spinjitzu Masters collection — Sought-after corner of the Ninjago lineup
From 2018 — Modern LEGO design and packaging quality
Theme Background
As a 2018 addition to Ninjago, part of the Spinjitzu Masters subcollection, the Kai - Spinjitzu Master slots into the more affordable side of Ninjago. Ninjago is consistently one of the top-performing LEGO themes, and at $9.99 this set is priced accordingly. At $0.164 per piece, you're paying a premium — though that's typical for Ninjago sets in this range.
Collectors following Ninjago specifically should note the Spinjitzu Masters 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
441% above retail. Now trading at $54.00, up 441% from $9.99 RRP — a 26% annualized return over 7.2 years since retirement.
Frequently Asked Questions
[{"q": "How many pieces are in the LEGO Kai - Spinjitzu Master (70633)?", "a": "The LEGO Kai - Spinjitzu Master (70633) contains 61 pieces, making it a smaller set."}, {"q": "What minifigures come with the LEGO Kai - Spinjitzu Master (70633)?", "a": "The LEGO Kai - Spinjitzu Master (70633) includes 1 minifigure. 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 - Spinjitzu Master (70633) cost?", "a": "The retail price (MSRP) for the LEGO Kai - Spinjitzu Master (70633) is $9.99 in the United States. Regional pricing is \u00a39.99 in the UK, CA$12.99 in Canada, \u20ac9.99 in Europe. This works out to $0.16 per piece. While you get fewer pieces per dollar than some other Ninjago sets, the build quality and specialized elements justify the premium."}, {"q": "Is the LEGO Kai - Spinjitzu Master (70633) a good investment?", "a": "The LEGO Kai - Spinjitzu Master (70633) shows moderate investment potential based on several factors. 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 - Spinjitzu Master (70633) suitable for?", "a": "The LEGO Kai - Spinjitzu Master (70633) is recommended for ages 6\u201314. The build is designed to be approachable for younger builders while still providing an enjoyable experience."}, {"q": "How big is the LEGO Kai - Spinjitzu Master (70633)?", "a": "The LEGO Kai - Spinjitzu Master (70633) measures approximately 22.8cm \u00d7 25.2cm \u00d7 6.7cm (W\u00d7H\u00d7D). It makes for a great display piece that won't take up too much shelf space."}, {"q": "Is the LEGO Kai - Spinjitzu Master (70633) still available?", "a": "The LEGO Kai - Spinjitzu Master (70633) retired on December 31, 2018 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 - Spinjitzu Master (70633)?", "a": "The LEGO Kai - Spinjitzu Master (70633) 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."}]