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Price history 71815

Full price history at a glance.

We check Dutch retailers every day. This graph shows the full daily-low price series we have for this set.

Lowest yet
€30,54
22 Mar 2026 · ASK-Bricks24
Peak price
€54,57
4 Jan 2026 · BricksDirect
Average
€37,63
1% below RRP
RRP
€37,99
reference price

Daily lowest price tracked across 13 Dutch retailers. The dotted line marks LEGO's recommended retail price.

Source: daily measurement at 13 Dutch retailers, 14 Dec 2025 – 24 May 2026. RRP via LEGO.com.

Last 12 price points for LEGO 71815 Kai's Source Dragon Battle
Date Price Retailer Stock
€39,99 BRICKshop In stock
€34,50 Otten Speelgoed In stock
€34,75 KelCha Toys In stock
€37,99 1001 FarmToys In stock
€37,99 Mijn Speeleiland In stock
€37,99 2T Toys In stock
€34,99 Toyhouse In stock
€39,99 BRICKshop In stock
€34,75 KelCha Toys In stock
€37,99 1001 FarmToys In stock
€37,99 Mijn Speeleiland In stock
€37,99 2T Toys In stock
- BricksDeal Forecast Beta

Price will likely drop.

Calibrated forecast based on historical pricing, seasonal patterns and retailer behavior. Tuned conservatively: rather cautious than optimistic.

Drop likelihood Next 60 days
69%
High · ±6%

Stronger signal than most sets in this theme. Waiting is a reasonable strategy.

Expected low €31,05 within 60 days
Vs. today -€3,45 10% saving

Projected price path

Actual price Predicted path 80% interval
60-day window Model v1 · 723 historic points
Price position +++
Still has room
We compare current price against RRP and lowest tracked price.
Retailer pressure ++
7 retailers compared
More retailers usually means more competition on the lowest price.
Stock +
7 in stock
Availability lowers the chance of a scarcity premium.
History base
723 points
The v1 migration uses this as a transparent baseline.
Based on 723 price points · 7 retailers · transparent baseline How this model works

About this set

71815 by the numbers: price, stock and history.

For LEGO Kai's Source Dragon Battle (71815), we track 7 retailers in the Netherlands, with 7 currently in stock. The current lowest price is €34,50. Use price history and stock data to judge whether this is a good time to buy.

The LEGO® NINJAGO® Kai’s Source Dragon Battle (71815) playset helps children aged 4+ learn how to build while they enjoy exciting ninja adventures in the NINJAGO universe. This action toy features a red dragon model that children can pose by moving its jaw, head, tail, legs, and 4 wings. Children can also place a fire element in its mouth to scare villains. This LEGO building toy for children comes with 4 minifigures: Climber Kai with a katana sword accessory, Wyldfyre with a katana sword accessory, a Wolf Mask Guard with a spear, and a Wolf Mask Warrior with a sword accessory. There is also a small forest build to trap characters, a powerful shooter vehicle that can fire a large arrow, and 3 small flame elements. This ninja toy has been specially designed to provide a fun experience for children aged 4+ who are discovering the joys of building with LEGO bricks. The set comes with a Starter Brick that provides a partly constructed base to get children building quickly and with confidence.

Frequently asked questions

Quick answers about price, stock and set data.

What is the lowest price for Kai's Source Dragon Battle?
The lowest current price we show is €34,50.
Has LEGO 71815 ever been cheaper?
The lowest historical price was €30,54 on 22 Mar 2026 at ASK-Bricks24.
How many pieces does LEGO 71815 have?
This set has 120 pieces.
What year is this set from?
LEGO 71815 was released in 2024.
What is the RRP for LEGO 71815?
LEGO's recommended retail price is €37,99.
What is the recommended age for LEGO 71815?
LEGO recommends ages 4+ for this set.
Is LEGO 71815 still available?
Yes, this set is currently available at 7 retailers.
Which retailers do you compare?
We currently compare 7 retailer prices for this set.
How often do you update prices?
We check prices multiple times per day at every tracked retailer and publish the most recent value on this page.