New answers tagged water
I still have my cargo ship LEGO from 25 - 30 years ago. It was designed to be immersed in water. My daughter now uses it daily as a bath toy.
The Atlantis Submarine Voyage ride at LEGOLAND Windsor has almost 100 models (albeit glued together) submerged in a 1,000,000 litre tank with 'upto 50 species of rare sharks, rays and tropical fish'. If LEGO bricks can withstand those conditions, I think you'll be fine. Most of these models are quite large (and heavy), so you may need to weigh down or ...
Basic LEGO elements won't get damaged by water, however depending on the condition of your water source, some residue may build up on the elements after prolonged immersion. So if you are thinking about keeping them immersed for a longer time, I would suggest using distilled water.
Not much. LEGO specifically designs some models to float, using a solid hull piece. Unless you build a water-tight boat, the pieces will sink, but they'll be fine.
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