Coming in at 32 pieces, the Kai's Spinjitzu Ninja Training (70688) is a neat little set from the Ninjago lineup. It debuted in 2022 at $9.99. The set includes 1 minifigure, adding play and display value.
Price-per-piece sits at $0.312. Not the cheapest, but you're paying for the design and theme licensing.
For the price point, the Kai's Spinjitzu Ninja Training delivers a clean Ninjago build that's easy to recommend.
Key Features
32 pieces — Compact and purpose-built — great for a quick session
1 minifigure — Adds play value and aftermarket appeal
$0.312 per piece — Standard value for the Ninjago range
Spinjitzu Ninja Training collection — Sought-after corner of the Ninjago lineup
From 2022 — Modern LEGO design and packaging quality
Theme Background
As a 2022 addition to Ninjago, part of the Spinjitzu Ninja Training subcollection, the Kai's Spinjitzu Ninja Training 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 $0.312 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 Ninja Training 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
120% above retail. Now trading at $22.00, up 120% from $9.99 RRP — a 28% annualized return over 3.2 years since retirement.
Part-out value 2.5x retail — The individual parts are worth $25.38 on BrickLink — 2.5x the $9.99 retail price. Exceptional part-out value.
Frequently Asked Questions
[{"q": "How many pieces are in the LEGO Kai's Spinjitzu Ninja Training (70688)?", "a": "The LEGO Kai's Spinjitzu Ninja Training (70688) contains 32 pieces, making it a smaller set."}, {"q": "What minifigures come with the LEGO Kai's Spinjitzu Ninja Training (70688)?", "a": "The LEGO Kai's Spinjitzu Ninja Training (70688) 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's Spinjitzu Ninja Training (70688) cost?", "a": "The retail price (MSRP) for the LEGO Kai's Spinjitzu Ninja Training (70688) is $9.99 in the United States. Regional pricing is \u00a38.99 in the UK, CA$13.99 in Canada, \u20ac9.99 in Europe. This works out to $0.31 per piece. The higher price-per-piece reflects the use of specialized or larger elements, licensed branding, or premium packaging."}, {"q": "Is the LEGO Kai's Spinjitzu Ninja Training (70688) a good investment?", "a": "The LEGO Kai's Spinjitzu Ninja Training (70688) 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": "How big is the LEGO Kai's Spinjitzu Ninja Training (70688)?", "a": "The LEGO Kai's Spinjitzu Ninja Training (70688) measures approximately 19.0cm \u00d7 24.0cm \u00d7 4.0cm (W\u00d7H\u00d7D). It makes for a great display piece that won't take up too much shelf space."}, {"q": "Is the LEGO Kai's Spinjitzu Ninja Training (70688) still available?", "a": "The LEGO Kai's Spinjitzu Ninja Training (70688) retired on December 31, 2022 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's Spinjitzu Ninja Training (70688)?", "a": "The LEGO Kai's Spinjitzu Ninja Training (70688) 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."}]
