This is the Bandai 5063031 SD Gundam Ex-Standard Gundam Aerial kit.

The Bandai SD Gundam Aerial is a model kit in the SD (Super Deformed) line of Gundam models, which are known for their chibi, cute appearances. This model is made of plastic and can be assembled without the need for glue or paint. Once assembled, it will be a highly detailed and posable representation of the Aerial Gundam. The kit includes all the parts necessary to build the model, as well as detailed instructions for assembly.

The SD Gundam series is popular among Gundam fans for its unique take on the iconic mecha design, as well as its ease of assembly and affordability. Whether you're a seasoned model builder or a newcomer to the hobby, the Bandai SD Gundam Aerial is a great option for anyone looking to add a fun and distinctive Gundam model to your collection.