fig-006653
Boulderax, Trans-Green
Quantity 1
N/A
Power Miners · 8957-1
LEGO 8957-1 Mine Mech
New / sealed value$195.132,342.2% above original retail
Original retail$7.99Launch price
Used value$22.33Current estimate
90-day trendN/A126 months recorded
PRICE GUIDE
Current LEGO 8957-1 values
Condition-specific market estimates compared with the original retail price.
New / sealed value
$195.13
+2,342.2% vs. retail
Used value
$22.33
$20.78 – $26.79
Original retail
$7.99
Launch price
Market values are estimates for the set condition shown; live retailer and marketplace prices may differ.
MARKET TREND
Price history
Source-reported monthly market closes through Aug 2026; these can differ from the current estimated market value.
Monthly close$145.5324 plotted months
Used value$22.33Current estimate
Used range$20.78 – $26.79Current low to high
Latest monthly close$145.53
Period low$67.74
Period high$173.61
Period change+23.6%
MARKET VALUE
Sealed price history
Latest
$145.53
+23.6% over period
View monthly price data
| Month | Open | Low | High | Close | Sales | Source |
|---|---|---|---|---|---|---|
| 2026-08 | $125.69 | $119.07 | $158.76 | $145.53 | N/A | Market data provider |
| 2026-07 | $116.06 | $111.85 | $137.11 | $128.69 | 5 | Market data provider |
| 2026-06 | $91.94 | $87.10 | $116.14 | $106.46 | 3 | Market data provider |
| 2026-05 | $84.90 | $81.82 | $100.30 | $94.14 | 2 | Market data provider |
| 2026-04 | $103.32 | $97.89 | $130.51 | $119.64 | 2 | Market data provider |
| 2026-03 | $123.48 | $119.00 | $145.87 | $136.91 | 7 | Market data provider |
| 2026-02 | $149.93 | $142.04 | $189.39 | $173.61 | 3 | Market data provider |
| 2026-01 | $153.87 | $148.29 | $181.77 | $170.61 | 5 | Market data provider |
| 2025-12 | $119.70 | $113.40 | $151.20 | $138.60 | 3 | Market data provider |
| 2025-11 | $142.93 | $137.75 | $168.85 | $158.49 | 7 | Market data provider |
| 2025-10 | $110.41 | $104.60 | $139.46 | $127.84 | 5 | Market data provider |
| 2025-09 | $101.95 | $98.26 | $120.44 | $113.05 | 3 | Market data provider |
| 2025-08 | $78.36 | $74.24 | $98.98 | $90.73 | 3 | Market data provider |
| 2025-07 | $65.50 | $63.12 | $77.37 | $72.62 | 3 | Market data provider |
| 2025-06 | $63.55 | $60.21 | $80.28 | $73.59 | 3 | Market data provider |
| 2025-05 | $61.10 | $58.88 | $72.17 | $67.74 | 3 | Market data provider |
| 2025-04 | $78.69 | $74.54 | $99.39 | $91.11 | 2 | Market data provider |
| 2025-03 | $100.40 | $96.76 | $118.60 | $111.32 | 2 | Market data provider |
| 2025-02 | $122.24 | $115.80 | $154.40 | $141.54 | 2 | Market data provider |
| 2025-01 | $125.45 | $120.90 | $148.19 | $139.09 | 9 | Market data provider |
| 2024-12 | $102.42 | $97.03 | $129.38 | $118.60 | 2 | Market data provider |
| 2024-11 | $122.40 | $117.96 | $144.60 | $135.72 | 3 | Market data provider |
| 2024-10 | $122.94 | $116.47 | $155.29 | $142.35 | 3 | Market data provider |
| 2024-09 | $106.16 | $102.31 | $125.42 | $117.72 | 3 | Market data provider |
EXTERNAL ESTIMATE
Independent Market Value Trend
Source-reported new/sealed market estimates, aggregated monthly and displayed in USD.
Latest estimate$88.25
Period low$70.74
Period high$90.84
Period change+15.7%
MARKET VALUE
Independent new/sealed market value
Latest
$88.25
+15.7% over period
View independent market value data
| Month | Open | Low | High | Close | Source |
|---|---|---|---|---|---|
| 2026-08 | $87.79 | $87.79 | $88.33 | $88.25 | Secondary-market data provider |
| 2026-07 | $87.01 | $86.89 | $87.79 | $87.79 | Secondary-market data provider |
| 2026-06 | $89.02 | $86.68 | $89.04 | $87.10 | Secondary-market data provider |
| 2026-05 | $89.45 | $88.63 | $89.97 | $89.01 | Secondary-market data provider |
| 2026-04 | $91.32 | $90.67 | $93.03 | $90.84 | Secondary-market data provider |
| 2026-03 | $90.84 | $88.45 | $90.84 | $89.98 | Secondary-market data provider |
| 2026-02 | $91.66 | $90.45 | $91.66 | $90.77 | Secondary-market data provider |
| 2026-01 | $86.48 | $85.47 | $90.24 | $90.24 | Secondary-market data provider |
| 2025-12 | $85.45 | $85.21 | $86.67 | $86.44 | Secondary-market data provider |
| 2025-11 | $84.96 | $83.35 | $85.08 | $83.68 | Secondary-market data provider |
| 2025-10 | $81.19 | $80.11 | $83.66 | $83.66 | Secondary-market data provider |
| 2025-09 | $79.91 | $79.44 | $80.74 | $80.09 | Secondary-market data provider |
| 2025-08 | $77.79 | $77.79 | $79.88 | $79.52 | Secondary-market data provider |
| 2025-07 | $80.56 | $78.07 | $80.56 | $78.07 | Secondary-market data provider |
| 2025-06 | $77.29 | $77.29 | $79.94 | $79.94 | Secondary-market data provider |
| 2025-05 | $77.75 | $75.72 | $77.75 | $77.29 | Secondary-market data provider |
| 2025-04 | $73.56 | $73.56 | $77.23 | $76.54 | Secondary-market data provider |
| 2025-03 | $70.74 | $70.74 | $74.19 | $73.64 | Secondary-market data provider |
| 2025-02 | $70.93 | $70.12 | $71.51 | $70.74 | Secondary-market data provider |
| 2025-01 | $70.94 | $69.85 | $72.12 | $71.18 | Secondary-market data provider |
| 2024-12 | $72.02 | $70.94 | $72.25 | $70.94 | Secondary-market data provider |
| 2024-11 | $73.82 | $70.76 | $74.62 | $71.99 | Secondary-market data provider |
| 2024-10 | $75.92 | $73.49 | $75.92 | $73.89 | Secondary-market data provider |
| 2024-09 | $75.65 | $75.22 | $76.49 | $76.29 | Secondary-market data provider |
MARKET ACTIVITY
Through Jul 2026
Sales and liquidity
Reported sealed-market sales and monthly price ranges for the latest 5 months.
Reported sales195-month total
Monthly average3.8reported sales
Active months5 / 5with at least one sale
3-month trendPendingneeds 6 months
LiquidityLimited activitybased on reported sales
Recent monthly price distributionLow · close · high
Aug 2026
$145.53
$119.07
$145.53
$158.76
N/A sales
Jul 2026
$128.69
$111.85
$128.69
$137.11
5 sales
Jun 2026
$106.46
$87.10
$106.46
$116.14
3 sales
May 2026
$94.14
$81.82
$94.14
$100.30
2 sales
Apr 2026
$119.64
$97.89
$119.64
$130.51
2 sales
Mar 2026
$136.91
$119.00
$136.91
$145.87
7 sales
Activity labels describe reported historical sales only; they do not guarantee that a set can be sold immediately.
VALUE OUTLOOK
Growth and retirement
Total growthN/ACurrent sealed value vs MSRP
Annual growthN/A12-month close change
1-year forecast$212.27+8.8%
5-year forecast$266.18+36.4%
5-year range$253.00 – $274.00Collected estimate
Used value range$20.78 – $26.79Observed market range
MethodSource-provided projectionDisplayed as collected; BrickPriceWatch does not recalculate it.
Forecast sourceMarket data providerSource attached to the forecast fields.
Recorded history126 monthsCurrent history coverage on BrickPriceWatch.
ConfidenceNot independently scoredA range appears only when the source supplies bounds.
Forecasts are directional estimates, not guaranteed future prices or investment advice. Actual value depends on condition, demand, fees, and sale timing.
Released in 2008 and retired in 2010, Mine Mech from the Power Miners line benefits from theme-specific characters like Brains and a named rock monster that drive completion demand, and long retirement plus limited sealed supply supports collector interest, while small scale and niche appeal introduce some volatility.
INCLUDED CHARACTERS
2 listed
Minifigures
fig-006654
Brains, Blue
Quantity 1
N/A
SET PRICE GUIDE
LEGO 8957-1 Mine Mech price, value and history
LEGO 8957-1 Mine Mech is a set released in 2009 in the Power Miners theme with 68 pieces. This BrickPriceWatch price guide combines a current new and sealed value of $195.13, an original retail price of $7.99, and 126 months of source-reported price history in USD.
The current comparison is based on collected market observations rather than a guaranteed selling price. The recorded used value is $22.33. The set is recorded as retired.
Current market dataa current new and sealed value of $195.13
Retail comparisonan original retail price of $7.99
Retailer availabilityno recent verified retailer quote; open the offer panel for the latest observed links.
How to use this LEGO price guide
Use the price guide to compare new and sealed value with the original retail price, inspect monthly high, low, and closing prices, and review current retailer offers before buying. Set condition, completeness, packaging, shipping, taxes, and marketplace timing can change the final price.
More from Power Miners
Ranked by shared subtheme, similar market value, build size, and release year.
