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The most valuable Technic Supplementary LEGO sets by current market value. This list ranks 18 sets by current BrickPicker value, refreshed from live market data. Right now the top spot belongs to 12 Volt Motor at $169. The top 5 alone account for about 45% of the value on this list. Every entry links to its full price history and marketplace listings. Updated 2026-07-21.
Top 5 hold 45% of this list's value ($1,444).
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| Name | / piece | |||
|---|---|---|---|---|
| 1 |  12 Volt Motor Technic · 1979 | $169 | +746% | $7.69 |
| 2 |  The LEGO Technic Guys Technic · 1993 | $140 | +1457% | $15.56 |
| 3 |  Parts Pack Technic · 1978 | $120 | +2300% | $1.54 |
| 4 |  Blue Beams with Connector Pegs Technic · 1979 | $110 | +2100% | $2.89 |
| 5 |  Technic Figures Technic · 1988 | $108 | +1212% | $10.82 |
| 6 |  9V Motor Set Technic · 1990 | $90 | +150% | $1.58 |
| 7 |  Two Gear Blocks Technic · 1978 | $87 | +344% | $1.13 |
| 8 |  Gear Wheels with Chain Links Technic · 1979 | $81 | +1703% | $0.93 |
| 9 |  Piston Parts Technic · 1979 | $73 | +1525% | $1.41 |
| 10 |  Steering Gear Parts Technic · 1979 | $71 | +1931% | $2.96 |
| 11 |  Power Pack Technic · 1982 | $66 | +153% | $2.53 |
| 12 |  Motor Set, 9V Technic · 1997 | $61 | +53% | $1.02 |
| 13 |  Supplementary Set Technic · 1977 | $58 | +484% | $0.75 |
| 14 |  Red Beams with Connector Pegs Technic · 1979 | $50 | +900% | $1.32 |
| 15 |  Technical Motor, 4.5V Technic · 1977 | $45 | +401% | $2.05 |
| 16 |  Technical Elements Technic · 1981 | $45 | +275% | $0.36 |
| 17 |  Power Pack Technic · 1978 | $44 | +94% | $1.99 |
| 18 |  Yellow Beams with Connector Pegs Technic · 1979 | $26 | +410% | $0.67 |
The 880 12 Volt Motor is the most valuable, worth about $169 on the current market.
Around $169 — that's the current BrickPicker value of the 880 12 Volt Motor, the top-ranked set on this list.
This list ranks 18 technic supplementary lego sets by current market value, refreshed from live sales data.