Mystery Castle #70437 — Loose vs Complete (CIB) vs Sealed (new): which is worth more?

Mystery Castle #70437 value — Loose $75 vs Complete (CIB) $150. Complete (CIB) sells for Loose (+100%). Prices updated August 2026.

Falling · -23%
ConditionSold medianvs Loose
Loose$75eBay ↗
Complete (CIB)$1502× · +100%eBay ↗
Sealed (new)$2253× · +200%eBay ↗

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

Loose vs Complete (CIB)
$75$150

Complete (CIB) sells for (+100%) the Loose price — a $75 difference per set.

Complete (CIB) vs Sealed (new)
$150$225

Sealed (new) sells for 1.5× (+50%) the Complete (CIB) price — a $75 difference per set.

Is complete worth it?

Complete (CIB) $150 vs Loose $75 — a $75 premium (+100%). 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 Mystery Castle #70437 listings ↗Full Mystery Castle #70437 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).