toy

Manipulate manually or in one's mind or imagination.

Behave carelessly or indifferently.

Engage in an activity as if it were a game rather than take it seriously.

“toy with an idea”

Any of several breeds of very small dogs kept purely as pets.

A copy that reproduces a person or thing in greatly reduced size.

An artifact designed to be played with.

A device regarded as providing amusement.

“private airplanes are a rich man's toy”

A nonfunctional replica of something else (frequently used as a modifier).

“a toy stove”