Mystery Skype is a great opportunity to connect with other classrooms in a fun and engaging way. According to ISTE, Mystery Skype is an educational game where students connect with another classroom and have to determine where each other's classrooms are located. They get to ask each other questions, collect clues, and communicate between classrooms. All of this is done using the Skype app or website. Below is a video about Mystery Skype and some ideas for how to incorporate it into your classroom.
ePals is another great way to get connected with another classroom, whether you are looking for one close to home or one the other side of the world. Not only will ePals let you connect with a classroom outside your classroom walls, they even provide activities that you can do with the other class. There are lesson plans and procedures clearly written out for you to use. Below is a video that provides a great overview of what ePals has to offer.