A-Frame Course - Source of /examples/1200-animations-07-events.html

<!DOCTYPE html>
<html>
  <head>
    <title>Animations - 07 - Events</title>
    <script src="https://aframe.io/releases/1.5.0/aframe.min.js"></script>
  </head>
  <body>
    <a-scene cursor="rayOrigin: mouse" ackground="color:lightblue">
      <a-box
        position="-1 1.6 -3"
        color="#ff0000"
        animation="property: height; dur: 2000; from: 1; to: 2; startEvents: mouseenter"
      >
      </a-box>

      <a-box
        position="1 1.6 -3"
        color="#ffff00"
        animation="property: height; dur: 2000; from: 1; to: 2; startEvents: click"
      >
      </a-box>

      <a-camera>
        <a-cursor></a-cursor>
      </a-camera>
    </a-scene>
  </body>
</html>