LEGO Gahlok-Kal 8578-1
LEGO Gahlok-Kal (8578-1) is estimated at about $123 sealed as of Oct 2026 (retail $8). Retired 2003 · 41 pieces · 2003 Bionicle.
- Set number
- 8578-1
- Theme
- Bionicle
- Subtheme
- Bohrok-Kal
- Year
- 2003
- Pieces
- 41
- Minifigures
- 0
- RRP
- $8
- Market value
- $123 (Estimate, Oct 2026)
- Used value
- $18
- Released
- 2003
- Retirement
- Retired in 2003
Gahlok-Kal value by year
From $37 in 2016 to $123 (Estimate, Oct 2026): +230%. Its highest year was 2026, at $125.
| Year | Value | Change |
|---|---|---|
| Estimate, Oct 2026 | $123 | +91.9% |
| 2026 (so far) | $125 | +95.2% |
| 2025 | $64 | −3.2% |
| 2024 | $66 | +11.0% |
| 2023 | $59 | −13.8% |
| 2022 | $69 | −10.9% |
| 2021 | $77 | +75.0% |
| 2020 | $44 | −3.4% |
| 2019 | $46 | −17.0% |
| 2018 | $55 | +36.6% |
| 2017 | $40 | +8.8% |
| 2016 | $37 | — |
Median of each year's market prices, sealed, in US dollars.
Frequently asked questions
How much is LEGO Gahlok-Kal (8578-1) worth?
LEGO Gahlok-Kal is worth approximately $122 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Gahlok-Kal retired?
Yes — Gahlok-Kal (8578-1) 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 Gahlok-Kal gone up in value?
Yes. Gahlok-Kal launched at $8 and now trades around $122, an increase of 1431.2%. See the price history chart for how it got there.
What is the price per piece for Gahlok-Kal?
At its $8 retail price across 41 pieces, Gahlok-Kal works out to about $0.195 per piece. Collectors often use price per piece to judge whether a set is good value.
Is LEGO Gahlok-Kal a good investment?
Gahlok-Kal currently trades 1431.2% above its $8 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 Gahlok-Kal so expensive?
Gahlok-Kal was released in 2003 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.