Steam Engine #40370 — Loose vs Complete (CIB) vs Sealed (new): which is worth more?

Steam Engine #40370 value — Loose $22 vs Complete (CIB) $29. Complete (CIB) sells for 1.32× Loose (+32%). Prices updated September 2026.

ConditionSold medianvs Loose
Loose$22—eBay ↗
Complete (CIB)$291.32× · +32%eBay ↗
Sealed (new)$351.59× · +59%eBay ↗

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

Loose vs Complete (CIB)
$22→$29

Complete (CIB) sells for 1.32× (+32%) the Loose price — a $7 difference per set.

Complete (CIB) vs Sealed (new)
$29→$35

Sealed (new) sells for 1.21× (+21%) the Complete (CIB) price — a $6 difference per set.

Is complete worth it?

Complete (CIB) $29 vs Loose $22 — a $7 premium (+32%). 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 #40370 listings ↗Full Steam Engine #40370 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).