What is the best deal for a collector?

The sealed, new condition is available for $120, offering the highest collectible value.

How much is the set if it's missing some pieces?

The loose condition of Batcave Challenge #10842 is currently listed for $27.

Can I buy the set in its original box?

Yes, the complete (CIB) version is available for $45.

Batcave Challenge #10842 — LEGO Duplo Set Value

Name: Batcave Challenge #10842 — LEGO Duplo Set Value
Brand: LEGO

LEGO Duplo

What the Batcave Challenge #10842 LEGO set is worth — loose, complete, and sealed.

Batcave Challenge #10842 value — Loose $27 · Complete (CIB) $45 · Sealed (new) $115. Prices updated August 2026.

Theme · LEGO Duplo

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PriceCharting — Batcave Challenge #10842 (LEGO Duplo)$45.18

Item details

Brand: LEGO
Theme: LEGO Duplo

Batcave Challenge #10842 (LEGO Duplo) resale value

A loose Batcave Challenge #10842 set runs around $27, a complete copy (all pieces + box + instructions) about $45, and a factory-sealed box commands $115.

What drives the price

Retired sets, completeness (every piece + minifigs + instructions + box), and sealed condition drive LEGO value. Exclusive sets and discontinued themes appreciate the most; minifigs alone can carry significant value.

Price guide

What this actually trades for — sold values by condition vs. what sellers are asking today

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Condition	Value	Based on
Loose	$27	eBay sold comps
Complete (CIB)	$45	eBay sold comps
Sealed (new)	$115	eBay sold comps

Frequently asked questions

What is the best deal for a collector?: The sealed, new condition is available for $120, offering the highest collectible value.
How much is the set if it's missing some pieces?: The loose condition of Batcave Challenge #10842 is currently listed for $27.
Can I buy the set in its original box?: Yes, the complete (CIB) version is available for $45.