diff --git a/gym_tool_use/transfers.py b/gym_tool_use/transfers.py
index 3da44d6..874a66e 100644
--- a/gym_tool_use/transfers.py
+++ b/gym_tool_use/transfers.py
@@ -71,6 +71,7 @@ def structural_color_transfer(colors, np_random):
     """
     # Force the colors to be random and unique.
     color_keys = trap_tube_env.SYMBOLIC_OBJECTS + [trap_tube_env.GROUND]
+    color_keys.pop(color_keys.index(trap_tube_env.TUBE2))
     color_values = []
     exclude_color_values = [
         trap_tube_env.AGENT_COLOR, trap_tube_env.FOOD_COLOR]
@@ -89,6 +90,7 @@ def structural_color_transfer(colors, np_random):
         color_values.append(value)
 
     new_colors = dict(zip(color_keys, color_values))
+    new_colors[trap_tube_env.TUBE2] = new_colors[trap_tube_env.TUBE1]
     colors.update(new_colors)
     return colors
 
diff --git a/gym_tool_use/trap_tube_env.py b/gym_tool_use/trap_tube_env.py
index b263f71..9eecfea 100644
--- a/gym_tool_use/trap_tube_env.py
+++ b/gym_tool_use/trap_tube_env.py
@@ -503,7 +503,7 @@ class BaseTrapTubeEnv(gym_pycolab.PyColabEnv):
 
     def __init__(self,
                  max_iterations=50,
-                 delay=100,
+                 delay=250,
                  resize_scale=32,
                  default_reward=0.):
         super(BaseTrapTubeEnv, self).__init__(