JSFiddle - React, Tailwind, and code Playground

HTML

<div id="panel">
        <div class="square1"></div>
        <div class="square2"></div>
        <div class="square3"></div>
        <div class="square4"></div>
        <div class="square5"></div>
    </div>
    <div id="canvas">
    </div>

CSS

#panel
{
    width:200px;
    height:400px;
    border:1px solid black;
    margin-right:10px;
    float:right;
}
.square1
{
    width:50px;
    height:50px;
    margin-top:10px;
    background:yellow;
}
.square2
{
    width:50px;
    height:50px;
    margin-top:10px;
    background:black;
}
.square3
{
    width:50px;
    height:50px;
    margin-top:10px;
    background:blue;
}
.square4
{
    width:50px;
    height:50px;
    margin-top:10px;
    background:green;
}
.square5
{
    width:50px;
    height:50px;
    margin-top:10px;
    background:red;
}
#canvas
{
    width:300px;
    height:300px;
    border:1px solid black;
    float:left;
    position:relative;
}

JavaScript

$('.square1').draggable({
    revert:"valid",
    helper:"clone"
});
$('.square2').draggable({
    revert:"valid",
    helper:"clone"
});
$('.square3').draggable({
    revert:"valid",
    helper:"clone"
});
$('.square4').draggable({
    revert:"valid",
    helper:"clone"
});
$('.square5').draggable({
    revert:"valid",
    helper:"clone"
});



$('#canvas').droppable({
    drop: function (e, ui) {
        $(ui.draggable).clone().appendTo($(this));
    }
})