re: #412 klys (maker of Silmarils)
They have a fantastic exhibit now - essentially a super-cooled metal table top. Water freezes on it, although it’ll melt if you run water over it for a while. So you run the water to clear out the ice and then stop and watch the ice crystals forming, and they have polarized magnifiers so you can really watch it. I enjoy that one at lot.
I enjoy a lot of their exhibits a lot. >.>
Ha, that’s genius. (I was snarking. Led 4 of them ages 3-14 through the rock-candy agony.)