I was browsing the web last night and really couldn't find the size terrarium I was looking for. I think the room I have available is between 16-18x12xwhatever I want (the higher the better). I then searched the web for ideas on how to make a homemade terrarium. I have enough time on my hands to do it myself, but couldn't find a straight forward description. I was told not to use glass since plexiglass would hold heat in better. There aren't going to be live plants since I don't have a green thumb.. lol. Does anyone know where I can find directions or a step by step for a homemade terrarium?