Sha-sha is a beach education game group combining numbers with carts, taking beach toys as the starting point, with digital methods, while allowing children to clean the beach in a fun way, but also to achieve educational significance, parents and children can always carry out beach cleaning activities through the App, while the garbage sorting can be recorded on the app and the car, and the children can freely plan the space to be sorted through the net on the car, By being fun, it also becomes more fun to attract parents and children to clean up the beach together.