LEGO Ideas 21318 Tree House available on back order after lengthy hiatus

The second-largest LEGO Ideas set of all time is back and available to order at in the UK, following a lengthy absence for 21318 Tree House.

Originally scheduled to retire last year before being pushed back to 2021, and now all the way to 2023, 21318 Tree House is proving to be one of the crowdsourced theme’s most enduring sets. It was also the first under the Ideas banner to break the 3,000-piece barrier, sailing beyond the limit imposed on fan submissions to the platform.

It’s also been temporarily out of stock at in the UK for weeks, but is now finally available to order once again. It won’t ship straight away – it’s on back order, with the LEGO Group promising to fulfil purchases by September 3 – but the point is that you can still spend your hard-earned cash on it, and receive a free 40487 Sailboat Adventure in the process.

LEGO Ideas 21318 Tree House Stranger Things 75810 The Upside Down Monkie Kid 80012 Monkie King Warrior Mech LEGO competition newsletter 4

That gift-with-purchase is still available for a few more days (or while stocks last) with purchases above £200 / $200 / €200. 21318 Tree House therefore won’t quite get you there on its own in the UK, where it retails for £179.99, but there’s plenty also available to top up your order – and it would be well worth your while for what’s an excellent freebie.

Two more huge Creator Expert sets have also just reappeared on back order in the UK, with 10261 Roller Coaster and 10264 Corner Garage both promising to ship by September 3. Those two sets are currently due to retire by the end of this year, so this could well be your last chance to pick them up.

If you’d like to be among the first to know about restocks at, sign up to our email alerts. Those who filled in the form for any of the three sets mentioned in this story will already have received personalised notifications, and you can do the same by heading here and entering your details for these and any other sets currently listed at

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Chris Wharfe

I like to think of myself as a journalist first, LEGO fan second, but we all know that’s not really the case. Journalism does run through my veins, though, like some kind of weird literary blood – the sort that will no doubt one day lead to a stress-induced heart malfunction. It’s like smoking, only worse. Thankfully, I get to write about LEGO until then. You can follow me on Twitter at @brfa_chris.

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