Creative Flower Pot Indoor Farming Interior Design Floral Plants Planter Home Office Desktop Decor (Green) Each flower block is made with a unique self-watering system which enables plants to absorb water as needed, which means over or under watering is not possible. The built-in water absorbing string has an on/off switch design to meet the different needs for water consumption. The inner growth chamber can be placed horizontally or vertically. Patterns on the pots can be used as part of a customizable puzzle picture (Three colors--brown, green, white are available) Flower Blocks are stackable to build a compact vertical garden.