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Kuros · 12 Dec 2016 at 14:34

I tend to use Isoclene (Isopropanol) for most stuff, gets rid of the sticky residue from hot glue guns, which I guess is the same principle for a cheap 3D drawing pen...

I guess you could try it on a single one, see if it has any impact and go from there?

cheesyboy · 12 Dec 2016 at 14:35

Try WD40 (test on generic brick first). it's great for sticky labels, might be good for this stuff

tom_e · 12 Dec 2016 at 14:36

IPA? Shouldn't damage the blocks.

wildman · 12 Dec 2016 at 14:48

mustard, buy a catering pack of Coleman's and soak it in that for 2 days. Don't use Dijon seeded because the seeds will gunk up the joins.

Crowort · 12 Dec 2016 at 14:51

Another vote for Isopropanol. Was the first thing that came to mind and I always have a big bottle about the house because it is just so useful for lots of things. Just used it the other day to clean a sticking Xbox controller button (water would have worked for this too but Isopropanol evaporates more quickly)

Azza · 12 Dec 2016 at 14:52

+1 mustard

Steampunk · 12 Dec 2016 at 14:55

If you can put them into some kind of net bag, or in a cutlery tray, a dishwasher will probably do a good job.

MooMoo444 · 12 Dec 2016 at 15:10

Don't use mustard, your legos will grow hairs

Efour · 12 Dec 2016 at 15:11

+1 isomustard solution. 6 mol. Mustard in 43cl distilled rainwater

Thekwango · 12 Dec 2016 at 15:12

Kermit said:
Some great tips although not sure I understand the mustard one

IPA is one of those things I really should have in my garage arsnal and never got round to getting hold off. Do any local places (garage forecourts or chemist) sell that sort of thing in 2.5 or 5L quanties or is it something you usually have to get by mail order?

I got mine from the local pharmacy, could try there I guess (your local that is not mine!

)

tom_e · 12 Dec 2016 at 15:13

Kermit said:
Some great tips although not sure I understand the mustard one

IPA is one of those things I really should have in my garage arsnal and never got round to getting hold off. Do any local places (garage forecourts or chemist) sell that sort of thing in 2.5 or 5L quanties or is it something you usually have to get by mail order?

eBay, can normally pick up a few L for not much money. It's not something that is easy to get in decent quantities on the high street, some chemists will sell you a little bottle.

MookJong · 12 Dec 2016 at 15:14

Azza said:
+1 mustard

Yeah I'm sure his child is going to be overjoyed when all his bricks are sprouting hair....what an idiotic suggestion.

Begbie · 12 Dec 2016 at 15:15

In a pillow case, in the washing machine I'd do the trick I'd have thought.

Efour · 12 Dec 2016 at 15:16

IPA Indian or pale ale?

TrixiBuG · 12 Dec 2016 at 15:18

I heard somewhere that Mayonnaise is good for getting rid of sticky residue....

Yup! Right here

MooMoo444 · 12 Dec 2016 at 15:46

TrixiBuG said:
I heard somewhere that Mayonnaise is good for getting rid of sticky residue....

Yup! Right here

What do you use to get the Mayonnaise off?

tom_e · 12 Dec 2016 at 15:46

MooMoo444 said:
What do you use to get the Mayonnaise off?

Lick it.

A.N.Other · 12 Dec 2016 at 15:50

Put it all inside a pillowcase, tie it up (well!) and put it in the washing machine. Job's a gud un.

My mum's school used to buy / get donated a lot of lego from parents, and they used to clean it like this for their after-school club. Nothing like a biological detergent.