The Planter is used in the 3Dponics Snap & Grow System to hold the growing medium for the plants. The previously germinated seeds are planted inside the Planter, which is then filled with moisture-absorbing volcanic rocks, coconut coir, etc. Know how to make this part better? Have ideas for new parts? Visit our website (https://www.3dponics.com) and join our Google+ community (https://plus.google.com/u/0/communities/111638904033818784260) to take 3Dponics to the next level!