A. This is a waterproof motor housing, a fitting suitable for remote - controlled toy fishing boats and suitable for various groups of people. It is made of plastic and comes in a bag packaging. B. This motor housing has an excellent design. As a protective housing for the motor, it can provide reliable protection for the motor, ensuring that the motor is protected from external interference and damage during use and extending its service life. C. It is not just a simple fitting but can also cultivate various abilities. It contributes to emotional cultivation, allowing users to invest their emotions during operation and use; it is beneficial to the development of vision and hearing as users can exercise these senses by observing the operation of the toy boat and listening to relevant sounds; it also aids in intellectual development as users can think and explore different ways of playing during use. It can also exercise motor skills such as crawling and grasping, improve the ability to use hands and brain in coordination, and enhance hand - eye coordination. Additionally, it can serve as an interactive toy to promote parent - child communication and cultivate hobbies. D. Whether for daily entertainment or relevant ability cultivation, this motor housing is a good choice for various toy boat enthusiasts.