diff --git a/src/main/java/de/ph87/electro/demo/DemoAll.java b/src/main/java/de/ph87/electro/demo/DemoAll.java
index 566aba5..e344539 100644
--- a/src/main/java/de/ph87/electro/demo/DemoAll.java
+++ b/src/main/java/de/ph87/electro/demo/DemoAll.java
@@ -8,7 +8,9 @@ import static de.ph87.electro.CONFIG.VOLTAGE;
 
 public class DemoAll {
 
-  public static Circuit create() {
+  public static Circuit complexTrippleAndSimple() {
+    final double voltage = 3.0;
+
     final Circuit circuit = new Circuit();
 
     final PartBattery battery = circuit.addBattery("Batterie", 0, 0, Orientation.R2, VOLTAGE);
@@ -32,4 +34,25 @@ public class DemoAll {
     return circuit;
   }
 
+  public static Circuit simpleAlternative() {
+    final double voltage = 3.0;
+
+    final Circuit circuit = new Circuit();
+
+    final PartBattery battery = circuit.addBattery("Batterie", 2, 0, Orientation.R1, voltage);
+    final PartLight light0 = circuit.addLight("Licht 0", 4, 2, Orientation.R1, voltage);
+    final PartLight light1 = circuit.addLight("Licht 1", 0, 2, Orientation.R1, voltage);
+    final PartSwitch1x2 switcher0 = circuit.addSwitch1x2("Wechselschalter 0", 2, 2, Orientation.R1, false);
+
+    circuit.connect(battery.getMinus(), light0.getPin0());
+    circuit.connect(battery.getMinus(), light1.getPin0());
+
+    circuit.connect(battery.getPlus(), switcher0.getCommon());
+    circuit.connect(switcher0.getOutput0(), light0.getPin1());
+    circuit.connect(switcher0.getOutput1(), light1.getPin1());
+
+    circuit.evaluate();
+    return circuit;
+  }
+
 }