PowToon
Target Audience: All Ages
Link: https://www.powtoon.com/
Make education fun by bringing Awesomeness into the classroom. Use PowToon to create animated videos and presentations as easy as PowerPoint to help you inspire, engage and present with a WOW.
This website is very similar to PowerPoint and Prezi but at a much more manageable and fun level for kids.
Also check out these great ideas: 11 Quick and Amazing Ways to Use PowToon in Your Classroom