LEGO Epic Battle Set - Kai vs. Skulkin 71730-1
LEGO Epic Battle Set - Kai vs. Skulkin (71730-1) is worth about $15 on the secondary market today, against a $10 retail price. It has 61 pieces, belongs to the Ninjago theme and was released in 2021. This set has retired — LEGO no longer produces it, so supply is fixed and prices are set entirely by the resale market.
LEGO® NINJAGO® epic battle playset
- Set number
- 71730-1
- Theme
- Ninjago
- Subtheme
- Epic Battle Set
- Year
- 2021
- Pieces
- 61
- Minifigures
- 2
- RRP
- $10
- Market value
- $15
- Used value
- $5
- Released
- 2021
- Retirement
- Retired in 2022
Minifigures in LEGO Epic Battle Set - Kai vs. Skulkin
Epic Battle Set - Kai vs. Skulkin value by year
From $9 in 2019 to $14 in 2026 so far: +53%. Its highest year was 2026, at $14.
| Year | Value | Change |
|---|---|---|
| 2026 (so far) | $14 | +12.2% |
| 2025 | $12 | +0.7% |
| 2024 | $12 | +2.6% |
| 2023 | $12 | +4.0% |
| 2022 | $11 | +8.5% |
| 2021 | $11 | +16.7% |
| 2020 | $9 | +0.0% |
| 2019 | $9 | — |
Median of each year's market prices, sealed, in US dollars.
What you are paying for
Its 2 priced minifigures are worth about $5 together, roughly 35% of the set's value — about typical for Ninjago sets (typically 44%).
Frequently asked questions
How much is LEGO Epic Battle Set - Kai vs. Skulkin (71730-1) worth?
LEGO Epic Battle Set - Kai vs. Skulkin is worth approximately $15 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Epic Battle Set - Kai vs. Skulkin retired?
Yes — Epic Battle Set - Kai vs. Skulkin (71730-1) has been retired by LEGO and is no longer in production. Retired sets have fixed supply, which is why their prices are driven purely by the resale market.
Has LEGO Epic Battle Set - Kai vs. Skulkin gone up in value?
Yes. Epic Battle Set - Kai vs. Skulkin launched at $10 and now trades around $15, an increase of 50.1%. See the price history chart for how it got there.
What is the price per piece for Epic Battle Set - Kai vs. Skulkin?
At its $10 retail price across 61 pieces, Epic Battle Set - Kai vs. Skulkin works out to about $0.164 per piece. Collectors often use price per piece to judge whether a set is good value.
Is LEGO Epic Battle Set - Kai vs. Skulkin a good investment?
Epic Battle Set - Kai vs. Skulkin currently trades 50.1% above its $10 retail price, and it is retired, so no new supply is entering the market. Past performance is not a prediction — condition, packaging and how long you hold all affect what a set actually sells for. BrickStats reports the numbers rather than giving investment advice.
Why is LEGO Epic Battle Set - Kai vs. Skulkin so expensive?
Epic Battle Set - Kai vs. Skulkin was released in 2021 and has since retired. Once LEGO stops producing a set, the only supply is what is already in circulation, so sealed copies in good condition compete for a shrinking pool of stock. That scarcity, not the parts, is what moves the price.