// LEGO
LEGO Ideas and CUUSOO 21318 Tree HouseVerified
Last updated 19/09/2026
Market value · sealed
$215
81 real sales · range $121–$297Verified
Price trendmonthly median sold price
LiquidityTrades often2 sold in 60 days
Last sold11d ago60-day median $231
Key facts
✦ AI poweredAI-generated from public knowledge. A helpful guide, verify anything important.
Ungraded · SealedUnsortedUngraded · CIBUngraded · Loose
Real captured sales · monthly medians · hover a point
Sealed$297$215$12181
Complete$199$150$1058
Loose$161$137$1036
Unsorted$238$150$4540
$240
$222
$240
$220
$235
$110
$180
$248
$220
$215
$228$248No captured sales in this grade yet.
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Verifiedreal sold salesEstimatedmarket snapshotNo data yetnever an invented number
A note on prices.Every value here is an estimate, drawn from public sales data and third-party sources. It's a guide, not a valuation or an offer, and it can be incomplete or out of date. Check an item yourself before you buy or sell. Grailsnap can't take responsibility for decisions made on these figures.Market price data sourced in part from PriceCharting.