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LEGO Adventure Time Toy, Creative role-playing 21308

Name: LEGO Adventure Time Toy, Creative role-playing 21308 – Retired & Sealed
Brand: LEGO
SKU: 0C-CAPI-1ZXU
Price: 99.99 GBP
Availability: OutOfStock

Retired 2018 · 496 pieces · Factory sealed · Set 21308

LEGO 21308 Adventure Time Toy, Creative role-playing 21308 sealed box front

This set offered children over nine years the chance to build imaginative play scenes, combining creativity with a substantial piece count for engaging role-playing.

£99.99 Free tracked UK delivery over £85

Sold out. We do not have a sealed one on the shelf today.

Genuine and sealed, or your money back.

Our sealed guarantee

If a set from us is not genuine and factory sealed, tell me and I refund in full and pay the return postage. Returns for any other reason within 30 days.

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About this set

Retirement and specification

Set number	21308
Pieces	496
Released	2016
Retired	2018
Age guide	9+
Condition	New, factory sealed

LEGO stopped making this set in 2018. It is not coming back, so sealed copies are what is left.

What you are actually buying

What turns up at your door

The sealed box itselfThe set in its original factory-sealed box, not a bagged or re-boxed copy. Seals and tape are checked before it is listed.

Any box wear, written downRetired boxes have been in lofts and on shelves. Anything worth knowing is on the listing before you buy, not after.

Packed to survive the courierBoxed inside a second carton with fill, so the set box is not the thing taking the knocks.

Tracked and insured, every orderYou get the tracking number the day it leaves. If it is lost or damaged in transit that is ours to sort, not yours.

Why we rate this set

Adventure Time Toy, Creative role-playing 21308

Adventure Time Toy set 21308 was a creative role-playing adventure for kids aged 9+ when it launched in 2016. With 496 pieces, it provided ample building fun before retiring in 2018. What you're getting from us is a sealed original, sourced and inspected by BuyMyBricks.

In depth

The full description

This is LEGO set 21308, the Adventure Time Toy creative role-playing set. It’s a retired release from the LEGO Ideas range, which means it’s no longer in production. This sealed example offers you the chance to experience an officially discontinued set exactly as it left the factory, complete, untouched, and ready to build whenever you choose.

What You Get

Factory-sealed LEGO set 21308 in original packaging
Complete collection of bricks and pieces, unbuilt
Official LEGO instruction manual
All original components as released by LEGO
Retired status, no longer available from official retailers

Why This Set

Building a retired LEGO set is a different experience from assembling a current release. There’s something special about constructing a set that’s no longer in production, knowing you’re handling pieces that represent a moment in LEGO’s history. The build itself is engaging and rewarding, with the satisfaction of seeing a complete, finished model emerge from the sealed box.

Once built, this set makes a striking display piece. LEGO Ideas sets are known for their thoughtful design and character detail, they’re created by fans and brought to life by LEGO, which means they carry a creative spirit you can feel in the finished model. Whether displayed on a shelf, desk, or dedicated LEGO collection, it commands attention and sparks conversation.

Owning a sealed, retired set also means you have the choice. You can open it and build immediately, or keep it sealed for the future. That optionality is yours alone to exercise whenever you decide the moment is right.

Condition Guarantee

This set is factory-sealed and has been verified by our team here at BuyMyBricks. Every piece inside is guaranteed to be complete and unbuilt. We stand behind the condition of every product we sell, and this set meets our exacting standards. You’re buying with confidence, what you see is what you get, sealed and ready.

Free tracked UK delivery on orders over £85. We’re here to make sure you have a straightforward, honest experience from order to delivery.

Common questions

The things people ask

Is it genuine and factory sealed, and what if it is not?

Every set is checked before it is listed: the factory seals and tape first, then the corners and edges, and anything worth knowing about the box goes on the listing. If a set from us is not genuine and factory sealed, tell me and I refund in full and pay the return postage. We sell sealed retired sets and nothing else, so there is no opened or used stock for yours to get mixed up with. Returns for any other reason are within 30 days, sealed, as the returns policy says.

When will it arrive?

Order before 3pm on a working day and it goes out the same day, tracked and insured. UK orders arrive within 1 to 3 working days, and you get the tracking number by email as soon as it is on its way. Tracked UK delivery is free over £85.

How is it packed, and what if the box arrives damaged?

The set box travels inside a second carton with fill, so the courier handles the outer box and not the one you are keeping, and every parcel is insured to its full value. If it still turns up damaged, photograph the outer packaging and the set box before you unpack any further, then email support@buymybricks.com with the photos and your order number the same day. We reply the same working day with a replacement if we have one or a full refund, and we deal with the courier claim ourselves so you do not have to.

Do you ship outside the UK?

Yes to the United States and Canada, with tracked and insured delivery costed at checkout before you pay. We do not ship to the EU at the moment. Everywhere in the UK is covered by the standard tracked service.

Can I return it?

Yes, within 30 days of delivery. If it arrived damaged or not as described, tell us and we pay the return postage and refund in full or replace it. If you have simply changed your mind, the set needs to come back sealed and as it arrived, and the return postage is yours. The refund goes back to the card you paid with within 3 working days of the set landing back with us. Use a tracked service so there is proof of delivery.

Is there a discount code?

Yes. Join the email list on any page and your first-order code comes through in the first email, along with what has just landed. We do not print the code on the site, so the list is the way to get it.

Can I pay in instalments?

Yes. Klarna Pay in 3 is at checkout: three equal payments, no interest and nothing extra to pay. Visa, Mastercard, American Express, PayPal, Apple Pay, Google Pay and Shop Pay are all there too. Payment is handled by Shopify Payments and we never see your card details.

Is it going to be a gift?

Tell us in the order notes at checkout and no prices or invoice go in the parcel. Sending it straight to them is fine: put their address as the delivery address and keep yours as the billing address.

Can I have a VAT invoice?

Yes. We are VAT registered and every price on the site already includes VAT. Reply to your order confirmation asking for one and it comes back the same working day. For a business or bulk order, email support@buymybricks.com before you buy and we will sort an itemised invoice.

Not the set you want?

Tell us the set number and we will look for a sealed one through the trade. If we find one at a sensible price you get an email with the link before it goes on the site. Ask us to find it.

Not answered here? Email support@buymybricks.com or ring 01904 900212. A person reads it, usually the same day.

Before you buy

Guides for this set

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