Backyard Scientists T-Shirts! Limited Edition campaign, buy one now! - http://shop.crowdmade.com/collections/backyardscientist/ I packed a fishtank completely full of water balls (water beads, water balz, orbeez, spitballs...). Im guessing there are over 10,000 in there! Anyway, I melted a bunch of old aluminum pipes and poured them into the fishtank hoping to create a cool design. And it worked perfectly! These are really unique, no two pieces are alike. Vat 19 was nice enough to supply me