LEGO NINJAGO The Fire Knight Mech Building Set
Model Kit with Kai Minifigure from Legends Monstrosity - Teen Room Decor - Gift for Teenage Boys and Girls, Ages 14+ - 71846
at Amazon· sold by Go For a Profit
Go to AmazonWe are not ready to call this price.
We check at least every 12 hours and hold a day-by-day record of what this cost — 3 days of it so far. Calling a price high or low needs 7 of those days and at least one change, because a range needs two prices: we have recorded 1 change.
LEGO set 71846, 997 pieces by Rebrickable’s count: 16.9¢ a piece at today’s $168.50. Every theme, per piece
Every change we recorded at Amazon
Every row is a price we saw change. We write one only when a price actually moves, so a gap here means the price held.
| When | Price | Change |
|---|---|---|
| · today | $168.50 | +$48.51 |
| · 2d ago | $119.99 | first seen |
Tell me when it drops
A notification in this browser when the price falls. No email, no account, nothing to install.
A notification carries a button that stops that alert; blocking notifications for this site in your browser stops them all.
Price history
Tracking since October 8, 2026 · 3 of 7 days to a verdict
We do not draw a chart under 7 days of record. Over a handful of days every product is trivially at its lowest recorded price, and a chart that says so is worse than no chart.
| Price | Now | Lowest | Highest | Usual | Average | Days recorded |
|---|---|---|---|---|---|---|
| New | $168.50 | $119.99 on Oct 8 | $168.50 on Oct 10 | $119.99 | $136.16 | 3 |
Sales events
Next on the calendar: Black Friday, November 27. We keep checking this price through it and report here what it did.
Where to buy
- Held for
- changed today
- Checked
- 1h ago
Prices checked at least every 12 hours. “Held for” is how long that retailer has been charging this price. A hidden price is one we cannot re-confirm recently enough to publish.
We earn a commission on purchases. It never affects our rankings.
What it is
5 attributes, in the retailer’s own words. We record the prices; these we only pass on.
- Color
- Multicolor
- Weight
- 3.32 pounds
- Dimensions
- 14.88 × 13.94 × 3.7 inches
- Model
- 6526931
- Released
- June 2025
Cheaper in LEGO, and what changes
Things we track on the same shelf for at least 10% less than $168.50, with the attributes the retailers describe differently. Their words, not our judgement — we record prices, we do not test products.
LEGOStar Wars: The Phantom Menace Battle Droid with STAP - Building & Learning Toy for Boys & Girls, Ages 12+ - Star Wars Toy & Model Kit - Gift Idea for Birthdays - 75428$139.99 at Amazon $28.51 lessWeight: 2.67 pounds instead of 3.32 poundsDimensions: 17.95 × 11.1 × 2.84 inches instead of 14.88 × 13.94 × 3.7 inches
LEGOHarry Potter Hogwarts Castle and Grounds 76419 Building Set, Gift Idea for Adults, Buildable Display Model, Collectible Harry Potter Playset, Recreate Iconic Scenes from the Wizarding World$136.99 at Amazon $31.51 lessWeight: 4.95 pounds instead of 3.32 poundsDimensions: 18.9 × 14.88 × 4.41 inches instead of 14.88 × 13.94 × 3.7 inches
LEGOMarvel Avengers: Doomsday New Avengers Tower 76352$109.99 at Amazon $58.51 lessWeight: 2.76 pounds instead of 3.32 poundsDimensions: 15.04 × 10.32 × 3.7 inches instead of 14.88 × 13.94 × 3.7 inches
Others we track in LEGO
See all LEGO prices
LEGOFriends Heartlake City Apartments and Stores Dollhouse - Toy Building Set for Kids, Girls and Boys, Ages 12+ - Gift Ideas for Birthday - with 7 Minidolls, a Micro-Doll, and More - 42670$169.991 retailer · 1 recorded price
LEGODC Batman The Joker Wall Art Comic Cover 67012$169.991 retailer · 1 recorded price
LEGOTechnic Peugeot 9X8 24H Le Mans Hybrid Hypercar 42156 Collectible Race Car Building Kit for Adults and Teens, 1:10 Scale Racing Car Model, Gift for Motorsport Fans$175.651 retailer · 1 recorded price
LEGOStar Wars Imperial Star Destroyer Building Toy - Build & Display Set for Boys & Girls, Ages 10+ - Gift for Birthdays - Star Wars Darth Vader & 6 Minifigure Toys - 75394$159.991 retailer · 1 recorded price
LEGOStar Wars Ahsoka Ghost and Phantom II Spaceship Toy - Star Wars Building Toys Set for Kids, Boys & Girls, Ages 10+ - Gifts for Birthdays - 5 Minifigures - 75357$159.991 retailer · 1 recorded price
LEGOCity Express Passenger Train Set - Remote Controlled Train Toy W/Working Headlights, 2 Coaches & 24 Track Pieces - Building Set Gift Idea for Kids, Boys & Girls, Ages 7+ - 60337$181.991 retailer · 1 recorded price
$168.50
at Amazon · we earn a commission