LEGO 3645-1 Classroom
Current LEGO 3645-1 values
Condition-specific market estimates compared with the original retail price.
Price history
Source-reported monthly market closes through Aug 2026; these can differ from the current estimated market value.
View monthly price data
| Month | Open | Low | High | Close | Sales | Source |
|---|---|---|---|---|---|---|
| 2026-08 | $188.52 | $178.59 | $238.13 | $218.28 | N/A | Market data provider |
| 2026-07 | $181.83 | $175.24 | $214.81 | $201.62 | N/A | Market data provider |
| 2026-06 | $187.77 | $177.89 | $237.19 | $217.42 | N/A | Market data provider |
| 2026-05 | $188.50 | $181.67 | $222.69 | $209.02 | N/A | Market data provider |
| 2026-04 | $176.13 | $166.86 | $222.48 | $203.94 | N/A | Market data provider |
| 2026-03 | $187.76 | $180.95 | $221.80 | $208.19 | N/A | Market data provider |
| 2026-02 | $186.31 | $176.50 | $235.34 | $215.72 | N/A | Market data provider |
| 2026-01 | $179.70 | $173.18 | $212.28 | $199.25 | N/A | Market data provider |
| 2025-12 | $207.17 | $196.27 | $261.69 | $239.88 | N/A | Market data provider |
| 2025-11 | $200.89 | $193.61 | $237.32 | $222.75 | N/A | Market data provider |
| 2025-10 | $174.04 | $164.88 | $219.84 | $201.52 | N/A | Market data provider |
| 2025-09 | $185.53 | $178.80 | $219.18 | $205.72 | N/A | Market data provider |
Independent Market Value Trend
Source-reported new/sealed market estimates, aggregated monthly and displayed in USD.
View independent market value data
| Month | Open | Low | High | Close | Source |
|---|---|---|---|---|---|
| 2026-08 | $583.61 | $583.61 | $587.17 | $586.66 | Secondary-market data provider |
| 2026-07 | $578.43 | $577.61 | $583.61 | $583.61 | Secondary-market data provider |
| 2026-06 | $591.79 | $576.24 | $591.94 | $578.99 | Secondary-market data provider |
| 2026-05 | $594.64 | $589.20 | $598.09 | $591.69 | Secondary-market data provider |
| 2026-04 | $589.71 | $585.64 | $599.46 | $594.64 | Secondary-market data provider |
| 2026-03 | $599.87 | $583.15 | $599.87 | $584.27 | Secondary-market data provider |
| 2026-02 | $605.66 | $597.23 | $605.66 | $599.87 | Secondary-market data provider |
| 2026-01 | $597.08 | $590.32 | $608.46 | $605.66 | Secondary-market data provider |
| 2025-12 | $591.79 | $590.17 | $598.96 | $597.08 | Secondary-market data provider |
| 2025-11 | $587.12 | $583.92 | $591.89 | $587.73 | Secondary-market data provider |
| 2025-10 | $595.76 | $586.91 | $597.28 | $587.12 | Secondary-market data provider |
| 2025-09 | $595.30 | $591.79 | $601.50 | $596.62 | Secondary-market data provider |
Growth and retirement
Forecasts are directional estimates, not guaranteed future prices or investment advice. Actual value depends on condition, demand, fees, and sale timing.
Released in 1987 and long-retired, School Room (3645) is a Fabuland release with named animal characters and unique molds that reduce remake risk, and its scarcity and nostalgia have supported strong interest for sealed copies, while the theme’s small collector base can produce sharper trading swings.
LEGO 3645-1 Classroom price, value and history
LEGO 3645-1 Classroom is a set released in 1987 in the Fabuland theme with 27 pieces. This BrickPriceWatch price guide combines a current new and sealed value of $192.83, an original retail price of $12.75, and 188 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 $29.52. The set is recorded as retired.
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.