This tutorial will guide you through the process, helping you organize multiple meshes, textures, and materials into a single manageable Blueprint Actor that can be easily reused across your project.
https://dev.epicgames.com/community/learning/tutorials/5ERK/fortnite-epic-for-indies-tutorial-how-do-you-import-static-meshes-as-blueprints-in-unreal-engine-ue5-7