How to add elements to jquery animation, one by one?

How to add elements to jquery animation, one by one?

Hello,
I'm creating a web page composed of wheels looping with mouseover. I succeeded to start only the selected wheel but now I want to loop another wheel, and another etc...while the others wheels (which are already looping) still work.


  
 <script>
$(document).ready(function(){


    $("#image1").mouseover (function(){
       $(function() {

    var $rota = $("#image1"),
        degree = 0, // modifier angle
        timer;

    function rotate() {    
        $rota.css({ transform: 'rotate(' + degree + 'deg)'});
        // timeout increase degrees:
        timer = setTimeout(function() {
            ++degree;
            rotate(); // loop it
        },25); // vitesse
    }

    rotate();    // run it!
});
});
});

 </script>

I don't know how to add  exponentially others wheels. 
Thanks for your answers :)