I have this container:
new Container( width: 500.0, padding: new EdgeInsets.fromLTRB(20.0, 40.0, 20.0, 40.0), color: Colors.green, child: new C
I guess you can use GestureDetector widget like this:
GestureDetector
new GestureDetector( onTap: (){ print("Container clicked"); }, child: new Container( width: 500.0, padding: new EdgeInsets.fromLTRB(20.0, 40.0, 20.0, 40.0), color: Colors.green, child: new Column( children: [ new Text("Ableitungen"), ] ), ) );