Powtoon

Powtoon is a tool that allows you to create an animation using speech bubbles, shapes, images, characters, and more. Powtoon has both paid and free options.you can create beautiful, engaging animations with Powtoon. In this way, your lessons will be more fun. Although the use of Powtoon may seem a bit complicated at first sight, you will find that it is very simple as you struggle a bit. You can share your animations on YouTube and other video sharing sites in the free version. You can also use your animations in your lessons through these video sharing sites. 

You can see my video here