This kit comes with the 3d printed parts to grow 15 or 30 plants, a pump, pump timer, ph strips, pex piping, organic coco coir and peat media plugs, media nets/inserts, 5 gallon bucket, a modified bucket lid. All you will need are the liquid nutrients and your seeds. Each grow 3d printed tower comes with a parts list and a short "how to guide" to get up you up and started growing. D we always suggest doing more research for each plant variety you want to grow in the tower to achieve the best results. This item is made of petg, fountain pump, 5 gallon bucket, organic coco coir and peat, ph strips, pump timer and media nets.