[header] How to make and use a rootball lifting flowerpot [title] Assemble the supplies needed. [step] For one system, you'll need two identical small plastic flowerpots, a thin plastic plate (for example, the lid of a margarine box) and scissors. The pots on the photo are about 5 cm (2 inches) high and 5.5 cm (2.2 inches) wide. 
[title] Make one " insert " by cutting away about two thirds of the side of one plastic flowerpot. [step] Then you have one flowerpot and one insert.