diff --git a/christmastree.py b/christmastree.py
index 881fd04..086cca7 100644
--- a/christmastree.py
+++ b/christmastree.py
@@ -30,4 +30,7 @@ def __init__(self, pwm=False, initial_value=False, pin_factory=None):
             _order=('baubles', 'star'),
             pin_factory=pin_factory
             )
+        
+        self.red_leds =  tuple(self.leds[i] for i in [1, 3, 4, 6, 8])
+        self.green_leds = tuple(self.leds[i] for i in [0, 2, 5, 7])