Worms R Us commercial Worm Farms
East Tamaki school , Otara
This school have 1x2m worm farm with two viewing windows and a foot step up so students can see inside the worm farm

Worm Farms at Opotiki' District
Worm Farms At Villa Maria Vinery
They have 2 wooden style Worm farms and 1 latest design worm farm for their cafeteria waste
This is 1x1.5m Commercial worm farm with viewing window and a foot step

The below image is for 140ltr Worm Farm

This system got small side viewing window as well as tap to take out worm tea
