Steam Engine #7750 — Loose vs Complete (CIB) vs Sealed (new): which is worth more?

Steam Engine #7750 value — Loose $292 vs Complete (CIB) $429. Complete (CIB) sells for 1.47× Loose (+47%). Prices updated September 2026.

↗ Rising · +24%
ConditionSold medianvs Loose
Loose$292—eBay ↗
Complete (CIB)$4291.47× · +47%eBay ↗
Sealed (new)$7152.45× · +145%eBay ↗

Medians of real sold listings per condition, updated September 2026 — how we compute values.

Loose vs Complete (CIB)
$292→$429

Complete (CIB) sells for 1.47× (+47%) the Loose price — a $137 difference per set.

Complete (CIB) vs Sealed (new)
$429→$715

Sealed (new) sells for 1.67× (+67%) the Complete (CIB) price — a $286 difference per set.

Is complete worth it?

Complete (CIB) $429 vs Loose $292 — a $137 premium (+47%). If you're holding the box and manual, completing a loose copy pays when that premium beats what the missing pieces cost you.

See current eBay listingsSee sold Steam Engine #7750 listings ↗Full Steam Engine #7750 price guide →

Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).

Steam Engine #7750: Loose vs Complete (CIB) vs Sealed (new) Prices Compared