emaze is an online, multimedia presentation platform. It has some of the same 3-D capabilities as Prezi.
Take a look at this introduction and tutorial first:
Here’s one I made in just a few minutes, with just two slides. It’s very easy to use.
The embedding doesn’t work on WordPress, but it will likely work on Weebly. If/when embedding doesn’t work, you can take a screen shot and hyperlink to the slideshow, as I did above.