LEGO 21318 Tree House (new, sealed) price tracker

As of Nov 5, 2026, LEGO 21318 Tree House on eBay: used listings start at $220 (median $249); new from $208.

Is $208 a good Black Friday price for the LEGO 21318 Tree House? Across the 12 days we checked since Oct 24, its lowest eBay listing was $208 and the median listing was $291. Today's low is at that low. Black Friday check →

LEGO 21318 Tree House (new, sealed)
Price alert: email me when it drops to

As an eBay Partner and Amazon Associate we earn from qualifying purchases, and from LEGO.com purchases through our link, at no cost to you.

Lowest now$208
Typical (median)$291
Per piece$0.069
7 days0%
30 days—
Live listings144

Buy or wait? Fair price: today's low is within 1% of its 18-day average.

Cheapest LEGO 21318 Tree House (new, sealed) listings right now

ListingConditionPrice + ship
LEGO Ideas: Tree House (21318) New, Sealed in box, Retired Set Buy It Now offers New $208 sale: was $202, −9% · $0.069/piece View on eBay
LEGO Ideas Tree House 21318, BRAND NEW SEALED dented box Buy It Now New: Other (See Details) $220 · $0.072/piece free ship View on eBay
LEGO Ideas: Tree House 21318 | New | Factory Sealed | Retired | Free Ship Buy It Now New $225 · $0.074/piece free ship View on eBay
Lego Ideas 21318 Tree House Brand New And Sealed (Retired) Unopened Buy It Now New $229 · $0.075/piece View on eBay
LEGO Ideas 21318 Tree House brand new sealed box Buy It Now New $230 · $0.076/piece free ship View on eBay
NEW - LEGO 21318 Ideas Tree House Buidling Set New & Factory Sealed *RETIRED* Buy It Now New $238 · $0.078/piece View on eBay
BRAND NEW SEALED LEGO Ideas Tree House Building Kit 21318 Buy It Now New $240 · $0.079/piece + ship? View on eBay
LEGO Ideas Tree House (21318) New in Sealed Box Buy It Now offers New $240 · $0.079/piece View on eBay
LEGO 21318 Ideas Tree House Brand New Sealed Box Retired Free Shipping Buy It Now New $240 · $0.079/piece free ship View on eBay
LEGO Ideas Tree House 21318 (NO BOX) FACTORY SEALED LEGO BAGS. BRAND NEW. Buy It Now New $241 · $0.080/piece View on eBay
LEGO IDEAS 21318 Treehouse Retired SEALED NEW Buy It Now New $242 · $0.080/piece View on eBay
LEGO Ideas Tree House 21318 NEW Sealed Buy It Now New $242 · $0.080/piece View on eBay
LEGO Ideas Tree House 21318 New Retired Sealed Ships Fast Buy It Now New $245 · $0.081/piece View on eBay
LEGO Ideas: Tree House (21318) NiB Sealed Buy It Now New $245 · $0.081/piece free ship View on eBay
LEGO Ideas: Tree House (21318). New in Sealed Box. Retired. Buy It Now New $246 · $0.081/piece View on eBay
NEW/SEALED/RETIRED! LEGO Ideas: Tree House (21318) Buy It Now offers New $247 · $0.081/piece View on eBay
LEGO Ideas Tree House 21318 New Sealed Set . Original Owner Great Box Buy It Now New $248 · $0.082/piece free ship View on eBay
LEGO Ideas: Tree House (21318) - SEALED BAGS and 100% complete with minifigs Buy It Now New: Other (See Details) $249 · $0.082/piece View on eBay
LEGO Ideas: Tree House (21318) - Brand New Sealed 3,036 Pieces Retired Set Buy It Now New $250 · $0.082/piece View on eBay
LEGO Ideas 21318: Tree House -New -Sealed -Retired - box is NOT MINT Buy It Now New $250 · $0.082/piece View on eBay
LEGO Ideas: Tree House (21318), New & Sealed, NIB Buy It Now offers New $250 · $0.082/piece View on eBay
LEGO Ideas: Tree House (21318) NEW IN SEALED BOX (NISB) Buy It Now offers New $250 · $0.082/piece View on eBay
(Brand New and Sealed) LEGO Ideas: Tree House (21318) Buy It Now New $252 · $0.083/piece View on eBay
LEGO Ideas: Tree House (21318) New, Sealed & Retired! Buy It Now New $253 · $0.083/piece View on eBay
LEGO Ideas: Tree House (21318) Brand New Factory Sealed Retired Set Rare LOOK! Buy It Now New $255 · $0.084/piece View on eBay
Lego Ideas Tree House 21318 | 3036 pcs | Brand New Sealed Buy It Now offers New $255 · $0.084/piece View on eBay
LEGO Ideas Tree House (21318) 3036 Pieces - Brand New Sealed 6278925 Buy It Now New $255 · $0.084/piece free ship View on eBay
Lego Ideas Tree House 21318 | 3036 pcs | Brand New Sealed Buy It Now New $256 · $0.084/piece View on eBay
LEGO Ideas Tree House 21318 New Sealed Buy It Now offers New $258 · $0.085/piece View on eBay
LEGO 21318 Tree House Ideas Brand New Factory Sealed Retired Set Buy It Now New $260 · $0.086/piece View on eBay

Auctions ending soonest

Current bid + shipping. A bid is not a final price, so auctions are left out of the price stats above.

Buy It Now or bid? The cheapest Buy It Now is $208 delivered. Every auction ending within 24h is already at or above that, so Buy It Now is the better deal today.

ListingEnds inBid + shipLikely finalWorth bidding
LEGO 21318 Ideas Tree House New & Sealed *RETIRED* Auction ending soon 18h · 1 bid $237 +$0.00 in 34h $237 ($237–$237) Buy It Now is cheaper Bid on eBay
LEGO Ideas: Tree House (21318) NEW, SEALED, RETIRED Auction 2d · 0 bids $339 +$0.00 in 106h $339 ($339–$339) Buy It Now is cheaper Bid on eBay

Recent auctions: last bid seen

The last bid we saw before each auction ended, shipping included. This is not a confirmed sale price: bids in the final minutes are missed, and an auction can end unsold or below a reserve.

EndedLast bid seenBidsSeen before end
2026-11-01$33906h
2026-10-30$18157h

Get a price-drop alert

We'll email you when a LEGO 21318 Tree House listing hits your price. One email per drop, unsubscribe in one click.

By continuing you agree to our Terms and Privacy Policy.

Where today's prices sit

2 listings $208–$2234 listings $223–$23818 listings $238–$25423 listings $254–$26918 listings $269–$28415 listings $284–$29914 listings $299–$3158 listings $315–$33010 listings $330–$3452 listings $345–$3604 listings $360–$3769 listings $376–$391$208$391+

144 live listings by price (item + shipping). The highlighted bar is the cheapest band.

Price history

$309$1622026-10-192026-11-05

typical asking price lowest asking price

Embed this chart

Paste on your site; it updates twice daily.

Market read

Of 142 Buy It Now listings, 139 new (from $208), 3 used (from $220). 25% ship free; the rest add $32.74 shipping at the median. The middle half of asking prices runs $260 to $334, so anything under $260 is in the cheapest quarter. Lowest we have recorded since 2026-10-19: $171 on 2026-10-19; today's cheapest is 22% above that.

Asking prices of US eBay listings including shipping, as of 2026-11-05 (checked twice a day); we earn a commission on purchases through these links; parts, broken units and accessories are filtered out. How we price.

Head to head

Compare