1. Sound and Light: The sound and the light are also included in this game set. Your child can talk to their speaker from the cash register. A balance is also included with the cash register - cash box opens and closes, calculator function, physical scanning intelligent identification, mobile phone scan code convenient payment function.2. Super Fun: This cash register is ideal for young children who want to buy and who have an active imagination!3. Skill Development: Your child is able to develop their calculation, speech, coordination and intelligence through this set of games. They are also able to create their own stories that can help develop their imagination!4. Prented Game Toy: This battery works with many features that you can get in any supermarket. Your child will be able to better understand how a supermarket works.5. Prented Game Toy: This battery works with many features that you can get in any supermarket. Your child will be able to better understand how a supermarket works.