Set of 2 fish tanks with 1 filter

This is a set including two fish tanks and a filter unit.
Dimensions are approximately 30cm (L) x 15cm (W) x 25cm (H) and 40cm (L) x 20cm (W) x 27cm (H).
The fish tanks were used for keeping tropical fish. The filter has been opened but is unused. The box has minor scratches.
As indicated by scratches and dirt, there is significant water staining on the top of the tanks. Please purchase only if you are comfortable with this. Returns will not be accepted due to dirt. (There are no cracks or breaks.)