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The most valuable Dacta LEGO sets from the 1970s by current market value. This list ranks 10 sets by current BrickPicker value, refreshed from live market data. Right now the top spot belongs to Lego Educational Storage Cloth at $528. The top 5 alone account for about 91% of the value on this list. Every entry links to its full price history and marketplace listings. Updated 2026-07-22.
Top 5 hold 91% of this list's value ($1,240).
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| Name | / piece | |||
|---|---|---|---|---|
| 1 |  Lego Educational Storage Cloth Dacta · 1979 | $528 | +5180% | $527.50 |
| 2 |  House Accessories Dacta · 1976 | $173 | +1090% | $0.85 |
| 3 |  Denken mit Lego Dacta · 1972 | $169 | +747% | $0.19 |
| 4 |  Denken mit Lego Dacta · 1972 | $137 | +1276% | $0.55 |
| 5 |  Supplementary Set Dacta · 1976 | $118 | +625% | $0.60 |
| 6 |  Supplementary LEGO Set Dacta · 1979 | $35 | +115% | $0.12 |
| 7 |  Letter Bricks for Wall Board Dacta · 1976 | $27 | -45% | $0.18 |
| 8 |  LEGO Number/Symbol Blocks Dacta · 1976 | $23 | -28% | $0.23 |
| 9 |  Educational LEGO Building Set Dacta · 1976 | $20 | — | $0.03 |
| 10 |  50 x 50 LEGO Gray Baseplate Dacta · 1979 | $12 | -21% | $11.83 |
The 1091 Lego Educational Storage Cloth is the most valuable, worth about $528 on the current market.
Around $528 — that's the current BrickPicker value of the 1091 Lego Educational Storage Cloth, the top-ranked set on this list.
This list ranks 10 dacta lego sets of the 1970s by current market value, refreshed from live sales data.