Splice FILIGREED JADE BLOCK and MISSION BLOCK to make STEAM TUBES. This item belongs to building category. Plant it in the morning, harvest in the evening. If you brake this all night long you will get some experience points. STEAM TUBES can be broken. You get at least 1 seed back (maybe more!) from splicing STEAM TUBES. Profiting with this might be questionable. Will you get enough blocks to build something? You just have to find out yourself.