If you can share where you found this file or what you intend to use it for (e.g., rendering, game design), I can give you more specific advice on what to check for.
Are the cubes properly UV-mapped and textured? Wood_Cube_collection_compressed.zip
To get a review or assessment of this file, please consider these steps: If you can share where you found this
Are the polygon counts reasonable for the detail level? Wood_Cube_collection_compressed.zip
Does it include common formats for your software (e.g., .blend, .obj, .fbx)?