Is this LEGO Ninjago duvet set still popular for collectors?

Yes, as a 2018 Houseware item, it appeals to fans of the Ninjago theme. Its collectible nature drives its resale interest.

What is the specific set number for this duvet?

The set number is 5425039186955-1.

According to the listing, this item has 0 pieces.

Name: LEGO Ninjago Duvet Set (5425039186955-1)
Brand: LEGO

Houseware

Houseware · 2018

Theme · HousewarePieces · 0Set Number · 5425039186955-1Year · 2018

Used

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New / Sealed

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Live on eBay now

Converted from USD at the ECB reference rate — sold comps are US-market sales.

JunkPal AI· resale insightanalyzing sold comps…

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Is this LEGO Ninjago duvet set still popular for collectors?: Yes, as a 2018 Houseware item, it appeals to fans of the Ninjago theme. Its collectible nature drives its resale interest.
What is the specific set number for this duvet?: The set number is 5425039186955-1.
Does this item come with any physical pieces?: According to the listing, this item has 0 pieces.