<h1 id="projects-btn"></h1>
<div id="selectors">
    <div class="circle" data-wow-delay="2s"></div>
    <div class="circle" data-wow-delay="3s"></div>
    <div class="circle" data-wow-delay="4s"></div>
    <div class="circle" data-wow-delay="5s"></div>
    <div class="circle" data-wow-delay="6s"></div>
</div>

$(function() {
    $('#projects-btn').click(function() {
$('.circle').addClass('wow fadeInUp animated');
});
});