A folding table is always useful in any household. The obvious advantage being that it can be folded up and stored away until needed. In the case of larger tables, they can be used as an extra dining table or a card table. As for the smaller models, they can be used for children to play on or eat at. Once the legs are folded, the table becomes basically flat, and it can be hidden under a bed, in a closet or behind furniture.
Here’s one of the more affordable models I could find – practical but not that attractive, I’m afraid:
Small wood folding table pictured: Stakmore Childrens Folding Table by Brookstone