The Kai's Source Dragon Battle (71815-1) is a LEGO Ninjago set that was released in December 2023 and retired in July 2025 with a shelf life of 1 year and 7 months 25 days.
This LEGO set has 120 pieces and had a RRP of $37.99 (£31.99 / 37.99€) which equates to a price per piece of 0.32c (0.27p / 0.32€). Since it retired it has gone down in value by -47.5% and now has a value of $19.96 based on average sale price over the last 6 months.
| Month | Avg Price | Sales |
|---|---|---|
| May 24 | $44.39 | 1 |
| Jun 24 | $39.07 | 0 |
| Jul 24 | $33.74 | 1 |
| Aug 24 | $44.39 | 1 |
| Sep 24 | $44.39 | 0 |
| Oct 24 | $44.39 | 0 |
| Nov 24 | $44.39 | 0 |
| Dec 24 | $44.39 | 0 |
| Jan 25 | $42.62 | 1 |
| Feb 25 | $40.84 | 0 |
| Mar 25 | $39.07 | 0 |
| Apr 25 | $37.29 | 0 |
| May 25 | $35.51 | 0 |
| Jun 25 | $33.74 | 0 |
| Jul 25 | $31.96 | 0 |
| Aug 25 | $30.19 | 0 |
| Sep 25 | $28.41 | 0 |
| Oct 25 | $26.64 | 0 |
| Nov 25 | $26.64 | 1 |
This set contains 4 minifigures with a combined value of $22.32. None of the minifigures in this set are exclusive, meaning they all appear in other LEGO sets.
We have recorded 5 sales of the Kai's Source Dragon Battle set since May 24. The chart below shows the number of recorded sales per month, which can help indicate the popularity and availability of this set on the secondary market.
The current value of Kai's Source Dragon Battle is $19.96
The 4 minifigures in this set make up 112% of the total set value.
The Wyldfyre - Dark Red Tunic minifigure is the most valuable minifigure in this set who contributes 41% of the set value .
Name: Kai's Source Dragon Battle
Theme: Ninjago
Set number: 71815-1
Status: Retired
Retired for: 9 months
Pieces: 120
Minifigures: 4
Shelf life: 1 year, 8 months
Confidence: Low
Current value: $19.96
Increase from RRP: -47.5%
Yearly ROI: -47.5%
The Kai's Source Dragon Battle has 120 pieces and is ranked 6986 on the list of biggest LEGO sets ever made.
The most common colour in this set is Black
The most common part in this set is Plate, Modified 1 x 2 with Open O Clip on Top
The LEGO Kai's Source Dragon Battle is currently worth $19.96 based on the average sale price over the last 6 months. The original retail price was $37.99.
The LEGO Kai's Source Dragon Battle (71815-1) contains 120 pieces, making it the 6986th biggest LEGO set ever made.
Yes, the LEGO Kai's Source Dragon Battle has been retired. It was retired in July 2025 and is no longer available from LEGO directly. You can find it on the secondary market through sites like BrickLink and eBay.
The LEGO Kai's Source Dragon Battle contains 4 minifigures. The minifigures include: Wyldfyre - Dark Red Tunic, Kai - Climber Kai, Wolf Mask Guard, Wolf Mask Warrior.
The LEGO Kai's Source Dragon Battle (71815-1) was released in December 2023 as part of the Ninjago theme.
Since retirement, the LEGO Kai's Source Dragon Battle has decreased in value by 47.5% from its original retail price.
Price data last updated: Nov 25