diff --git a/beamshow.py b/beamshow.py
index b62ef56..909d492 100644
--- a/beamshow.py
+++ b/beamshow.py
@@ -1,5 +1,5 @@
 from argparse import ArgumentParser
-from typing import Iterable, Tuple
+from typing import Iterable, List, Tuple
 from pygame.locals import *
 import math
 import pygame as pg
@@ -8,7 +8,9 @@ import sys
 import time
 
 from effects.bouncingspot import BouncingSpot
-from effects.effect import Effect, color_wheel
+from effects.doublespot import DoubleSpot
+from effects.effect import Effect, color_randomize, color_wheel, Colors
+from effects.presets import Presets
 
 
 def print_displays() -> None:
@@ -41,7 +43,7 @@ def initialize(
         background.fill(pg.Color(0, 0, 0, 5))
     else:
         background = pg.Surface(win.get_size())
-        background.fill(pg.Color(0, 0, 0))
+        background.fill(Colors.Black)
     return win, background
 
 
@@ -76,7 +78,7 @@ def render_loop_3d(
     clock: pg.time.Clock,
 ) -> None:
     stage = pg.Surface(size=window.get_size())
-    stage.fill(Color(0, 0, 0))
+    stage.fill(Colors.Black)
 
     full_size = stage.get_size()
     scaled_sizes = [
@@ -98,14 +100,14 @@ def render_loop_3d(
             e.update()
             e.draw(stage)
 
-        window.fill(Color(0, 0, 0))
+        window.fill(Colors.Black)
 
-        stage.set_colorkey(Color(0, 0, 0))
-        for i in range(0, 101, 5):
+        stage.set_colorkey(Colors.Black)
+        for i in range(0, 101, 4):
             stage.set_alpha(192 - 192 * ((i / 100) ** 0.5))
             window.blit(
-                pg.transform.scale(stage, scaled_sizes[int(100 * (i/100)**2)]),
-                scaled_positions[int(100 * (i/100)**2)],
+                pg.transform.scale(stage, scaled_sizes[int(100 * (i / 100) ** 2)]),
+                scaled_positions[int(100 * (i / 100) ** 2)],
             )
         yield
 
@@ -129,6 +131,15 @@ def main() -> None:
     argparser.add_argument(
         "--trails", action="store_true", help="Fade patterns out (trail mode)"
     )
+    argparser.add_argument(
+        "--randomize",
+        metavar="N",
+        type=int,
+        nargs="?",
+        default=0,
+        const=5,
+        help="Select random effect presets after <N> seconds",
+    )
     argparser.add_argument("--fps", action="store_true", help="Show FPS in console")
     argparser.add_argument(
         "-d", "--display", type=int, default=0, help="ID of the display to use"
@@ -150,19 +161,21 @@ def main() -> None:
         display_id=args.display, windowed=args.window, trails=args.trails
     )
 
-    effects = [
-        BouncingSpot(
-            bounds=window.get_rect(),
-            color=pg.Color(255, 255, 255),
-            # color=color_wheel(),
-            sizes=(window.get_height() / 8, window.get_height() / 8),
-            velocity=(1, 1),
-            x_factor=(1, 1),
-            y_factor=(2.2, 2.2),
-        ),
-        BouncingSpot(bounds=window.get_rect(), color=color_wheel()),
-        BouncingSpot(bounds=window.get_rect(), color=color_wheel(hue=180)),
-    ]
+    presets = Presets(bounds=window.get_rect())
+    if args.randomize:
+        effects = presets.randomize()
+    else:
+        effects = [
+            BouncingSpot(
+                bounds=window.get_rect(),
+                color=Colors.White,
+                # color=color_wheel(),
+                sizes=(window.get_height() / 8, window.get_height() / 8),
+                velocity=(1, 1),
+                x_factor=(1, 1),
+                y_factor=(2.2, 2.2),
+            ),
+        ]
 
     clock = pg.time.Clock()
 
@@ -171,10 +184,18 @@ def main() -> None:
     else:
         loop = render_loop_normal(window, background, effects, clock)
 
+    framecounter = 0
     while True:
         next(loop)
         pg.display.flip()
         clock.tick(60)
+        framecounter += 1
+
+        if args.randomize:
+            if (framecounter % (args.randomize * 60)) == 0:
+                effects.clear()
+                effects.extend(presets.randomize())
+
         if args.fps:
             print(clock.get_fps())
 
diff --git a/effects/presets.py b/effects/presets.py
new file mode 100644
index 0000000..775acb5
--- /dev/null
+++ b/effects/presets.py
@@ -0,0 +1,57 @@
+from random import choice
+from typing import List
+from effects.effect import Effect, color_randomize, color_wheel, Colors
+from effects.bouncingspot import BouncingSpot
+from effects.doublespot import DoubleSpot
+import pygame as pg
+
+
+class Presets:
+    def __init__(self, bounds: pg.Rect) -> None:
+        self.bounds = bounds
+
+    def randomize(self) -> List[Effect]:
+        return getattr(
+            self,
+            choice(
+                [
+                    func
+                    for func in dir(self)
+                    if callable(getattr(self, func)) and not func.startswith("__")
+                ]
+            ),
+        )()
+
+    def DoubleSpotRandomColor(self) -> List[Effect]:
+        return [
+            DoubleSpot(
+                bounds=self.bounds,
+                color=color_wheel(increase=30),
+                radius=100,
+                fade_out=True,
+                fade_in=True,
+                hold=60,
+            )
+        ]
+
+    def DoubleBouncingSpotsColorWheel(self) -> List[Effect]:
+        return [
+            BouncingSpot(bounds=self.bounds, color=color_wheel()),
+            BouncingSpot(bounds=self.bounds, color=color_wheel(hue=180)),
+        ]
+
+    def BouncingSpotWhite(self) -> List[Effect]:
+        return [
+            BouncingSpot(
+                bounds=self.bounds,
+                color=Colors.White,
+                # color=color_wheel(),
+                sizes=(self.bounds.height / 8, self.bounds.height / 8),
+                velocity=(1, 1),
+                x_factor=(1, 1),
+                y_factor=(2.2, 2.2),
+            ),
+        ]
+
+
+#