Opening hours:
Mon: central bus station Worringer Straße (near main station) 8am–2pm
Tue: Grabbeplatz (near Kommödchen) 8am–2pm
Wed: Grabbeplatz (near Kommödchen) 8am–2pm (except the first Wednesday of every month)
Thu: Johannes-Rau-Platz 8am–2pm
Fri: Grabbeplatz (near Kommödchen) 8am–2pm.