Kai Fighter #70721 — LEGO Ninjago Set Value
LEGO NinjagoWhat the Kai Fighter #70721 LEGO set is worth — loose, complete, and sealed.
Kai Fighter #70721 value — Loose $15 · Complete (CIB) $50 · Sealed (new) $155. Prices updated August 2026.
Theme · LEGO Ninjago
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Complete-in-box price history
Monthly CIB value, based on sold comps.
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Item details
- UPC / EAN
- 5702015121064
- Brand
- LEGO
- Theme
- LEGO Ninjago
- Set number
- #70721
- Release date
- January 1, 2014
Kai Fighter #70721 (LEGO Ninjago) resale value
A loose Kai Fighter #70721 set runs around $15, a complete copy (all pieces + box + instructions) about $50, and a factory-sealed box commands $155.
What drives the price
Retired sets, completeness (every piece + minifigs + instructions + box), and sealed condition drive LEGO value. Exclusive sets and discontinued themes appreciate the most; minifigs alone can carry significant value.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Loose | $15 | eBay sold comps |
| Complete (CIB) | $50 | eBay sold comps |
| Sealed (new) | $155 | eBay sold comps |
Frequently asked questions
- What is the best value for Kai Fighter #70721?
- The best value depends on your needs; loose is the most affordable at $19, while sealed offers the highest investment potential at $169.
- How much is the complete in box version worth?
- The complete in box (CIB) version of Kai Fighter #70721 is currently listed for $49.
- Is the sealed version worth the high price tag?
- Yes, the sealed, new version is listed for $169, reflecting its pristine, unused condition.