@Kur0m1S4N The Chiffon zip archive is broken in the original workupload and Blackonyx's upload (or my download is being picky). Thankfully the tarball (=tar.gz or ".unitypackage") still retains the fbx and prefab:
https://workupload.com/file/rwwbsJbB2qY
I haven't tested but it might just work with any of the other materials.