diff --git a/rainbow_random.ino b/rainbow_random.ino
new file mode 100644
index 0000000..0d113c7
--- /dev/null
+++ b/rainbow_random.ino
@@ -0,0 +1,52 @@
+/******************************* PLANAR FLOP 3D *******************************\
+| Found on the internet....                                                    |
+|                                                                              |
+| Modified By: S. Dugre to use asynchronous timer                              |
+\******************************************************************************/
+
+byte spectrum[24][3] = {
+  {8,0,0},{7,1,0},{6,2,0},{5,3,0},{4,4,0},{3,5,0},{2,6,0},{1,7,0},
+  {0,8,0},{0,7,1},{0,6,2},{0,5,3},{0,4,4},{0,3,5},{0,2,6},{0,1,7},
+  {0,0,8},{1,0,7},{2,0,6},{3,0,5},{4,0,4},{5,0,3},{6,0,2},{7,0,1},
+};
+
+byte cube[4][4][4];
+byte x;
+byte y;
+byte z;
+
+void rainbow_random() {
+
+  if (currentState != lastState) {
+    
+    lastState = currentState;
+    Serial.print("New State = ");
+    Serial.println(currentState);
+
+    randomSeed(analogRead(0));
+    for (byte x = 0; x <= 3; x++) {
+      for (byte y = 0; y <= 3; y++) {
+        for (byte z = 0; z <= 3; z++) {
+          cube[x][y][z] = random(24);
+        }
+      }
+    }    
+  }
+  
+  for (byte x = 0; x <= 3; x++) {
+    for (byte y = 0; y <= 3; y++) {
+      for (byte z = 0; z <= 3; z++) {
+        byte val = cube[x][y][z];
+        drawLed(red,  spectrum[val][0],x,y,z);
+        drawLed(green,spectrum[val][1],x,y,z);
+        drawLed(blue, spectrum[val][2],x,y,z);
+        if ((x+y+z) % 2 == 0) { cube[x][y][z] = (val+1) % 24;}
+        else                  { cube[x][y][z] = val == 0 ? 23 : val-1;}
+      }
+    }
+  }
+  flushBuffer();
+  clearBuffer();
+  delay(30);
+  
+}