<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"  viewBox="0 0 600 600">
    <defs>
      <filter id="goo" color-interpolation-filters="sRGB">
        <feGaussianBlur in="SourceGraphic" stdDeviation="8" result="blur" />
        <feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 21 -7" result="cm" />

      </filter>
    </defs>
    <g id="dragGroup">
      <path id="dragBar" fill="#FFFFFF" d="M447,299.5c0,1.4-1.1,2.5-2.5,2.5h-296c-1.4,0-2.5-1.1-2.5-2.5l0,0c0-1.4,1.1-2.5,2.5-2.5
		h296C445.9,297,447,298.1,447,299.5L447,299.5z" />
      <g id="displayGroup">
        <g id="gooGroup" filter="url(#goo)">
          <circle id="display" fill="#FFFFFF" cx="146" cy="299.5" r="16" />
          <circle id="dragger" fill="#FFFFFF"  stroke="#03A9F4" stroke-width="0" cx="146" cy="299.5" r="15" />

        </g>
        <text class="downText" x="146" y="304">0</text>
        <text class="upText" x="145" y="266">0</text>
      </g>


    </g>
  </svg>

body {
  background-color: #03A9F4;
  overflow: hidden;
  font-family: 'Ropa Sans', sans-serif;
  text-align:center;
    display: flex;
  align-items: center;
  justify-content: center;    
}

body,
html {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}


svg {
  width: 150%;
  height:150%;
  visibility: hidden;
}

.upText,
.downText {
  text-anchor: middle;
  font-weight: 700;
  font-size: 14px;
  fill: #03A9F4;
  letter-spacing: 0.4px;
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
  text-rendering: optimizeSpeed;
}

.upText {
  font-size: 24px;
}

#dragger{
-webkit-tap-highlight-color: rgba(0,0,0,0); 
}

.downText {
  letter-spacing: -0.4px;
}
var xmlns = "http://www.w3.org/2000/svg",
  select = function(s) {
    return document.querySelector(s);
  },
  selectAll = function(s) {
    return document.querySelectorAll(s);
  },
  container = select('.container'),
  dragger = select('#dragger'),
  dragVal,
  maxDrag = 300


TweenMax.set('svg', {
  visibility: 'visible'
})

TweenMax.set('#upText', {
  alpha: 0,
  transformOrigin: '50% 50%'
})

TweenLite.defaultEase = Elastic.easeOut.config(0.4, 0.1);

var tl = new TimelineMax({
  paused: true
});
tl.addLabel("blobUp")
  .to('#display', 1, {
    attr: {
      cy: '-=40',
      r: 30
    }
  })
  .to('#dragger', 1, {
    attr: {
      //cy:'-=2',
      r: 8
    }
  }, '-=1')
  .set('#dragger', {
    strokeWidth: 4
  }, '-=1')
  .to('.downText', 1, {
    //alpha:0,
    alpha: 0,
    transformOrigin: '50% 50%'
  }, '-=1')
  .to('.upText', 1, {
    //alpha:1,
    alpha: 1,
    transformOrigin: '50% 50%'
  }, '-=1')
  .addPause()
  .addLabel("blobDown")
  .to('#display', 1, {
    attr: {
      cy: 299.5,
      r: 0
    },
    ease: Expo.easeOut
  })
  .to('#dragger', 1, {
    attr: {
      //cy:'-=35',
      r: 15
    }
  }, '-=1')
  .set('#dragger', {
    strokeWidth: 0
  }, '-=1')
  .to('.downText', 1, {
    alpha: 1,
    ease: Power4.easeOut
  }, '-=1')
  .to('.upText', 0.2, {
    alpha: 0,
    ease: Power4.easeOut,
    attr: {
      y: '+=45'
    }
  }, '-=1')

Draggable.create(dragger, {
  type: 'x',
  cursor: 'pointer',
  throwProps: true,
  bounds: {
    minX: 0,
    maxX: maxDrag
  },
  onPress: function() {

    tl.play('blobUp')
  },
  onRelease: function() {
    tl.play('blobDown')
  },
  onDrag: dragUpdate,
  onThrowUpdate: dragUpdate
})

function dragUpdate() {
  dragVal = Math.round((this.target._gsTransform.x / maxDrag) * 100);
  select('.downText').textContent = select('.upText').textContent = dragVal;
  TweenMax.to('#display', 1.3, {
    x: this.target._gsTransform.x

  })

  TweenMax.staggerTo(['.upText', '.downText'], 1, {
    // x:this.target._gsTransform.x,
    cycle: {
      attr: [{
        x: this.target._gsTransform.x + 146
      }]
    },
    ease: Elastic.easeOut.config(1, 0.4)
  }, '0.02')
}

TweenMax.to(dragger, 1, {
  x: 150,
  onUpdate: dragUpdate,
  ease: Power1.easeInOut
})

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://s3-us-west-2.amazonaws.com/s.cdpn.io/16327/ThrowPropsPlugin.min.js
  2. https://cdnjs.cloudflare.com/ajax/libs/gsap/1.19.1/utils/Draggable.min.js
  3. //cdnjs.cloudflare.com/ajax/libs/gsap/1.19.0/TweenMax.min.js