You can put the individual boxes together as DIY creating your own planter design.
One set contains 3 robust plant boxes with a water reservoir and four columns made of thermoplastic material. Additionally, the terrace planters are expandable as per your ideas.This system is practically infinitely expandable, even set up at right angles! You can use the garden pots to create a lovely enchantment on your balcony or terrace, such as hanging flowers, growing soft fruits, herbs, and more.