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I have a sweet LEGO Santa Claus and few other builds that would look cool as decorations on Christmas Tree. Sadly, it would probably break if I would try to hang it. It can stand all right, but is not sturdy enough to hang, or to survive much handling, really.

So I want to glue it together. But I don't want it to stay glued. I want to be able do disassemble it when I no longer use it as ornament that hangs on something. Is there any way to glue LEGO bricks and still be able to wash away the glue without damaging them when I want to?

Note: this question has nothing to do with safety of 4 years old kids, like this one, and strength of connection I'm asking about is way smaller (hanging on a tree vs kid potentially trying to take it apart).

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    As I said in this answer I think the best option would be to use a water soluble glue (such as PVA, White Glue, Elmer's Glue All, etc.). This dries clear, but can be washed off with warm water and a soft brush. – Zhaph - Ben Duguid Apr 17 '18 at 11:37
  • Possible duplicate of Removable glue for LEGO models – chicks Apr 19 '18 at 11:03
  • @chicks see my edit. – Mołot Apr 19 '18 at 11:16
  • Thanks Molot. That should help it be less confusing. I'm going to tweak the title too. – chicks Apr 19 '18 at 11:35
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If you need it to be glued but not permanent, I'd try paper-mache paste. It'll wash out. I've never tried it, but I think it should work.

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