Kai's Source Dragon Battle
LEGO 71815 · Ninjago · retail $37.99
Recently retired · Aug 2025
LEGO 71806 Cole's Elemental Earth Mech
set number 71806 · Ninjago · released 2024 · retail $19.99
Recently retired · Dec 2025
LEGO 71806 Cole's Elemental Earth Mech is recently retired, with an end-of-production date of Dec 2025 according to Brickset lifecycle data. Not enough verified complete-set listings to calculate a dependable current estimate. Every figure on this page is a calculated market estimate built from active listing data.
Complete-set valuation
Not enough verified complete-set listings to calculate a dependable current estimate. We only price complete sets, so parts, instruction manuals, minifigures and accessory listings never count toward these figures.
Figures are typical asking prices from active listing data, not completed sales.
Checked 2026-07-30 · lifecycle data from Brickset. Based on Brickset ownership data + live eBay supply — LEGO does not publish production figures.
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