For more detail this asset from the Unity Asset Store: Click Here
This is a paid asset, but now you can download Air Balloons Set for FREE, Please keep in mind this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Air Balloons Set
A set of ten prefabs, includes 7 balloons two baskets and 3 airships.
All textures are Physically Based Rendering. Textures included: Albedo, Metallic, Normal. Textures resolution: min. 256×256 max. 4096×4096.
All Meshes are optimized; include Basket, Vintage Basket, Balloon, Vintage Balloon, Puffy Balloon, Airship, and Gondola.
For any questions, please contact my Unity Connect account or email. Also we are open to your wishes or additions.
Screenshots taken using Unity 5