Bikini Bottom Undersea Party #3818 — Loose vs Complete (CIB) vs Sealed (new): which is worth more?
Bikini Bottom Undersea Party #3818 value — Loose $50 vs Complete (CIB) $120. Complete (CIB) sells for 2.4× Loose (+140%). Prices updated August 2026.
↗ Rising · +50%
ConditionSold medianvs Loose
Medians of real sold listings per condition, updated August 2026 — how we compute values.
Loose vs Complete (CIB)
$50→$120
Complete (CIB) sells for 2.4× (+140%) the Loose price — a $70 difference per set.
Complete (CIB) vs Sealed (new)
$120→$300
Sealed (new) sells for 2.5× (+150%) the Complete (CIB) price — a $180 difference per set.
Is complete worth it?
Complete (CIB) $120 vs Loose $50 — a $70 premium (+140%). If you're holding the box and manual, completing a loose copy pays when that premium beats what the missing pieces cost you.
Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).