Okay, I have no idea what it's called in English...
it's this: http://www.lajefer.com.br/media/lajotas$20Isopor.jpg
Anyway, today it, only not stuck together, has been in my mouth, my hair and on my clothes. It'll probably take weeks to get it out of my clothes XD But I'm happy. Why?
Because we have cut up some plates of that thingy into tetris-blocks biggrin and we're going to cover them with something to make it stronger, and paint them XD big, real life tetris biggrin YAY!
