FBX came with Buildbox version 3.2.0. It opens up whole new world. Before it was limited to use static 3D models, now you can add animations to your 3D models. Instead of using cube or sphere as character, you can use animated models like running human, animal, car etc.
FBX models in this video is downloaded from Unity store asset for free: https://www.meshtint.com/collections/free/products/meshtint-free-boximon-cyclopes-mega-toon-series
Download BB DOC file: https://www.hanomaxgames.com/Downloads/fbx_template.bbdoc
Check out Smart Penguins video about FBX: