Working with Report Builder 3.0 - Learning SQL Server Reporting Services 2012 - page 313

You can also find the items in the Report Manager and search for an item in
Report Part Gallery by explicitly searching for the item, which is needed if
the gallery has many items,

6. Just drag and drop CatSales from Report Part Gallery to the design area of

the blank report.

Note that everything related to CatSales such as
data sources as well as datasets were also brought
into the blank report.