I think the ways in which the Clock family uses human bean belongings to decorate their home are fun. I’ve mentioned some in the article, but the book mentions others. Postage stamps are used as pictures for the walls, blotting paper is used for a carpet, a matchbox is used for a chest of drawers, and a padded trinket box with the lid open is used as a settle.
Potatoes are so big that the family has to roll them along the ground and cut off just a small piece for a meal. Fibres from the front door mat in the big house are used to make a scrubbing brush for the Clock family. Arrietty’s bedroom is built from two cigar boxes. The pictures on the boxes decorate her room.