Serious Play · 2000418-1
Workshop Kit for Simple Machines
Similar build size
New$18.04
Serious Play · 9338-1
LEGO 9338-1 Serious Play / BuildToExpress Mini Kit
New / sealed value$7.9960.1% above original retail
Original retail$4.99Launch price
Used value$6.63Current estimate
90-day trendN/A170 months recorded
PRICE GUIDE
Current LEGO 9338-1 values
Condition-specific market estimates compared with the original retail price.
New / sealed value
$7.99
+60.1% vs. retail
Used value
$6.63
$6.51 – $9.57
Original retail
$4.99
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$8.2412 plotted months
Used value$6.63Current estimate
Used range$6.51 – $9.57Current low to high
Latest monthly close$8.24
Period low$8.24
Period high$11.78
Period change-30.1%
MARKET VALUE
Sealed price history
Latest
$8.24
-30.1% over period
View monthly price data
| Month | Open | Low | High | Close | Sales | Source |
|---|---|---|---|---|---|---|
| 2026-08 | $7.12 | $6.75 | $8.99 | $8.24 | 3 | Market data provider |
| 2026-07 | $7.72 | $7.44 | $9.11 | $8.55 | 7 | Market data provider |
| 2026-06 | $7.64 | $7.23 | $9.65 | $8.84 | 10 | Market data provider |
| 2026-05 | $8.89 | $8.56 | $10.50 | $9.85 | 7 | Market data provider |
| 2026-04 | $7.59 | $7.19 | $9.59 | $8.79 | 5 | Market data provider |
| 2026-03 | $8.33 | $8.02 | $9.84 | $9.23 | 7 | Market data provider |
| 2026-02 | $8.26 | $7.83 | $10.43 | $9.56 | 10 | Market data provider |
| 2026-01 | $7.72 | $7.44 | $9.11 | $8.55 | 7 | Market data provider |
| 2025-12 | $9.45 | $8.95 | $11.94 | $10.94 | 9 | Market data provider |
| 2025-11 | $8.31 | $8.01 | $9.82 | $9.22 | 7 | Market data provider |
| 2025-10 | $8.89 | $8.43 | $11.23 | $10.30 | 7 | Market data provider |
| 2025-09 | $10.63 | $10.24 | $12.56 | $11.78 | 5 | Market data provider |
EXTERNAL ESTIMATE
Independent Market Value Trend
Source-reported new/sealed market estimates, aggregated monthly and displayed in USD.
Latest estimate$7.26
Period low$6.30
Period high$16.70
Period change-56.5%
MARKET VALUE
Independent new/sealed market value
Latest
$7.26
-56.5% over period
View independent market value data
| Month | Open | Low | High | Close | Source |
|---|---|---|---|---|---|
| 2026-08 | $7.22 | $7.22 | $7.27 | $7.26 | Secondary-market data provider |
| 2026-07 | $7.16 | $7.15 | $7.22 | $7.22 | Secondary-market data provider |
| 2026-06 | $7.33 | $7.13 | $7.33 | $7.17 | Secondary-market data provider |
| 2026-05 | $6.72 | $6.72 | $7.40 | $7.32 | Secondary-market data provider |
| 2026-04 | $6.34 | $6.30 | $6.61 | $6.61 | Secondary-market data provider |
| 2026-03 | $9.93 | $6.29 | $9.93 | $6.30 | Secondary-market data provider |
| 2026-02 | $14.96 | $10.08 | $14.96 | $10.08 | Secondary-market data provider |
| 2026-01 | $16.71 | $15.18 | $16.71 | $15.18 | Secondary-market data provider |
| 2025-12 | $16.55 | $16.50 | $16.75 | $16.70 | Secondary-market data provider |
| 2025-11 | $16.42 | $16.33 | $16.55 | $16.44 | Secondary-market data provider |
| 2025-10 | $16.67 | $16.39 | $16.72 | $16.42 | Secondary-market data provider |
| 2025-09 | $16.61 | $16.54 | $16.79 | $16.68 | Secondary-market data provider |
MARKET ACTIVITY
Through Aug 2026
Sales and liquidity
Reported sealed-market sales and monthly price ranges for the latest 6 months.
Reported sales396-month total
Monthly average6.5reported sales
Active months6 / 6with at least one sale
3-month trend+5.3%20 vs 19 sales
LiquidityModerate activitybased on reported sales
Recent monthly price distributionLow · close · high
Aug 2026
$8.24
$6.75
$8.24
$8.99
3 sales
Jul 2026
$8.55
$7.44
$8.55
$9.11
7 sales
Jun 2026
$8.84
$7.23
$8.84
$9.65
10 sales
May 2026
$9.85
$8.56
$9.85
$10.50
7 sales
Apr 2026
$8.79
$7.19
$8.79
$9.59
5 sales
Mar 2026
$9.23
$8.02
$9.23
$9.84
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$8.04+0.6%
5-year forecast$8.39+5%
5-year range$8.15 – $8.62Collected estimate
Used value range$6.51 – $9.57Observed market range
MethodSource-provided projectionDisplayed as collected; BrickPriceWatch does not recalculate it.
Forecast sourceMarket data providerSource attached to the forecast fields.
Recorded history170 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 as part of the Serious Play educational channel and now retired, Mini-Kit 9338 has benefited from distribution-limited scarcity, and sealed examples have shown modest post-retirement appreciation, while niche parts, absence of exclusive minifigures, and thin trading volume keep market depth and liquidity constrained.
SET PRICE GUIDE
LEGO 9338-1 Serious Play / BuildToExpress Mini Kit price, value and history
LEGO 9338-1 Serious Play / BuildToExpress Mini Kit is a set released in 2011 in the Serious Play theme with 57 pieces. This BrickPriceWatch price guide combines a current new and sealed value of $7.99, an original retail price of $4.99, and 170 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 $6.63. The set is recorded as retired.
Current market dataa current new and sealed value of $7.99
Retail comparisonan original retail price of $4.99
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.
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