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LEGO Ideas and CUUSOO Pop-Up Book (21315-1)

LEGO Ideas and CUUSOO Pop-Up Book (21315-1)

Variation: New Sealed
LEGOLEGO Ideas and CUUSOO
Condition

New Sealed is the primary LEGO collector condition. Used Complete tracks opened sets with all pieces and is secondary when available.

Market read

Medium confidence · Recent completed sales
CollectAIO Value
$85.99
10 completed salescompleted sales $85.99

Based on recent completed sales. Current asking prices are shown separately because they may not clear.

Best next action: If this is your exact variation, add it to your collection. If you are still waiting on price movement, create a watch.

Details
Set Number: 21315-1
Year: 2018
Pieces: 859
Theme Path: LEGO Ideas and CUUSOO

Price History

CollectAIO Estimate

Today’s CollectAIO Value: $85.99 Based on recent completed sales. Current asking prices are shown separately because they may not clear.

Estimated from archived TCGPlayer market/listing signals and matched eBay sold comps where available. Raw source lines are available in Compare sources.

Price history stores one point per day. Same-day updates replace today's snapshot.

Market Evidence

The detailed signals behind the top market read. Payout, retail basis, refresh, and marketplace caveats stay here so the first screen stays focused.

Recent eBay sold value
SOLD
$85.99
Details
Est. seller payout ~$74.20 after eBay fees
Recent median of 3 matched eBay sold comps from the last 30 days • Snapshot Apr 25, 2026
Longer-term reference: 390-day median $86.62 from 10 matched comps.
eBay sold snapshot updated Apr 25, 2026
eBay comp caveat: eBay comps can vary by listing condition, format, presale status, and included shipping.
No eBay Active Listings
No matched eBay listings recorded yet
eBay evidence is stale
Showing saved prices. Open refresh status to request fresh comps and active listings.

Sold Comp Trend

Weekly median sold comps are up +$10.27 (14.7%) from week of Jan 26 to week of Apr 20.

View trend

Weekly median of matched eBay sold comps. Used as supporting evidence for CollectAIO Estimate where available.

First Week
$70
Week of Jan 26 • 3 comps
Latest Week
$80.27
Week of Apr 20 • 2 comps
Move
+$10.27
10 included sold comps across 6 weeks
10 matched eBay sold comps used in value calculation
Collector previewLoaded row sorting is free during launch.
Sorted by sold date (descending)

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