One definition of the word toy is "something that serves for or as if for diversion, rather than for serious pratical use."
Another acceptable definition is "an object designed to be played with"
The verb play is in turn defined as "to exercise or employ oneself in diversion, amusement, or recreation."
Calling it a toy is perfectly acceptable, and the denotation of the word is a fitting description. You need to A) learn how to use a dictionary and B) calm down.
I can, and do, accurately refer to some of my guns as toys, as well as my road motorcyle, my dirt bikes, my boat, etc. That isn't to say one doesn't need to know how to properly use them or that they don't need to be respected and used properly.