Create a new sample data sets that have a lot more data, date ranges that are current to our dates today, has more scenarios that we see in all customers cases. Like more complex formula creations, displaying a wide range of different KPI's, have a more complex data model to show how dimensions and fact tables can work. Having a sample data set with custom code, custom tables, and custom column.
Having one of the tables connect to a DW to show how the connection works as well.