diff --git a/OpenSim/Tools/pCampBot/Behaviours/GrabbingBehaviour.cs b/OpenSim/Tools/pCampBot/Behaviours/GrabbingBehaviour.cs
new file mode 100644
index 0000000000..00313b8eb7
--- /dev/null
+++ b/OpenSim/Tools/pCampBot/Behaviours/GrabbingBehaviour.cs
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using OpenMetaverse;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using pCampBot.Interfaces;
+
+namespace pCampBot
+{
+    /// <summary>
+    /// Click (grab) on random objects in the scene.
+    /// </summary>
+    /// <remarks>
+    /// The viewer itself does not give the option of grabbing objects that haven't been signalled as grabbable.
+    /// </remarks>
+    public class GrabbingBehaviour : IBehaviour
+    {
+        public void Action(PhysicsBot bot)
+        {
+            Dictionary<UUID, Primitive> objects = bot.Objects;
+
+            Primitive prim = objects.ElementAt(bot.Random.Next(0, objects.Count)).Value;
+
+            // This appears to be a typical message sent when a viewer user clicks a clickable object
+            bot.Client.Self.Grab(prim.LocalID);
+            bot.Client.Self.GrabUpdate(prim.ID, Vector3.Zero);
+            bot.Client.Self.DeGrab(prim.LocalID);
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Tools/pCampBot/Behaviours/PhysicsBehaviour.cs b/OpenSim/Tools/pCampBot/Behaviours/PhysicsBehaviour.cs
index e76c0b324b..bd4a7a28a6 100644
--- a/OpenSim/Tools/pCampBot/Behaviours/PhysicsBehaviour.cs
+++ b/OpenSim/Tools/pCampBot/Behaviours/PhysicsBehaviour.cs
@@ -35,7 +35,7 @@ using pCampBot.Interfaces;
 namespace pCampBot
 {
     /// <summary>
-    /// This is a behaviour designed to stress physics by moving and bouncing around bots a whole lot.
+    /// Stress physics by moving and bouncing around bots a whole lot.
     /// </summary>
     /// <remarks>
     /// TODO: talkarray should be in a separate behaviour.
diff --git a/OpenSim/Tools/pCampBot/BotManager.cs b/OpenSim/Tools/pCampBot/BotManager.cs
index 0505c971b6..dac6e0e366 100644
--- a/OpenSim/Tools/pCampBot/BotManager.cs
+++ b/OpenSim/Tools/pCampBot/BotManager.cs
@@ -120,13 +120,23 @@ namespace pCampBot
             string password = cs.GetString("password");
             string loginUri = cs.GetString("loginuri");
 
-            // Hardcoded for new
-            List<IBehaviour> behaviours = new List<IBehaviour>();
-            behaviours.Add(new PhysicsBehaviour());
+            HashSet<string> behaviourSwitches = new HashSet<string>();
+            Array.ForEach<string>(
+                cs.GetString("behaviours", "p").Split(new char[] { ',' }), b => behaviourSwitches.Add(b));
 
             for (int i = 0; i < botcount; i++)
             {
                 string lastName = string.Format("{0}_{1}", lastNameStem, i);
+
+                List<IBehaviour> behaviours = new List<IBehaviour>();
+    
+                // Hard-coded for now
+                if (behaviourSwitches.Contains("p"))
+                    behaviours.Add(new PhysicsBehaviour());
+    
+                if (behaviourSwitches.Contains("g"))
+                    behaviours.Add(new GrabbingBehaviour());
+
                 startupBot(i, this, behaviours, firstName, lastName, password, loginUri);
             }
         }
diff --git a/OpenSim/Tools/pCampBot/PhysicsBot.cs b/OpenSim/Tools/pCampBot/PhysicsBot.cs
index 05a510acbb..6e40ca7a27 100644
--- a/OpenSim/Tools/pCampBot/PhysicsBot.cs
+++ b/OpenSim/Tools/pCampBot/PhysicsBot.cs
@@ -55,8 +55,27 @@ namespace pCampBot
         /// <summary>
         /// Behaviours implemented by this bot.
         /// </summary>
+        /// <remarks>
+        /// Lock this list before manipulating it.
+        /// </remarks>
         public List<IBehaviour> Behaviours { get; private set; }
 
+        /// <summary>
+        /// Objects that the bot has discovered.
+        /// </summary>
+        /// <remarks>
+        /// Returns a list copy.  Inserting new objects manually will have no effect.
+        /// </remarks>
+        public Dictionary<UUID, Primitive> Objects
+        {
+            get
+            {
+                lock (m_objects)
+                    return new Dictionary<UUID, Primitive>(m_objects);
+            }
+        }
+        private Dictionary<UUID, Primitive> m_objects = new Dictionary<UUID, Primitive>();
+
         /// <summary>
         /// Is this bot connected to the grid?
         /// </summary>
@@ -125,7 +144,14 @@ namespace pCampBot
         private void Action()
         {
             while (true)
-                Behaviours.ForEach(b => b.Action(this));
+                lock (Behaviours)
+                    Behaviours.ForEach(
+                        b =>
+                        {
+                            // m_log.DebugFormat("[pCAMPBOT]: For {0} performing action {1}", Name, b.GetType());
+                            b.Action(this);
+                        }
+                    );
         }
 
         /// <summary>
@@ -407,6 +433,9 @@ namespace pCampBot
 
             if (prim != null)
             {
+                lock (m_objects)
+                    m_objects[prim.ID] = prim;
+
                 if (prim.Textures != null)
                 {
                     if (prim.Textures.DefaultTexture.TextureID != UUID.Zero)
diff --git a/OpenSim/Tools/pCampBot/pCampBot.cs b/OpenSim/Tools/pCampBot/pCampBot.cs
index cae96e1b9e..4d3b06d5bf 100644
--- a/OpenSim/Tools/pCampBot/pCampBot.cs
+++ b/OpenSim/Tools/pCampBot/pCampBot.cs
@@ -84,12 +84,13 @@ namespace pCampBot
             //Set up our nifty config..  thanks to nini
             ArgvConfigSource cs = new ArgvConfigSource(args);
 
-            cs.AddSwitch("Startup", "botcount","n");
-            cs.AddSwitch("Startup", "loginuri","l");
+            cs.AddSwitch("Startup", "botcount", "n");
+            cs.AddSwitch("Startup", "loginuri", "l");
             cs.AddSwitch("Startup", "firstname");
             cs.AddSwitch("Startup", "lastname");
             cs.AddSwitch("Startup", "password");
-            cs.AddSwitch("Startup", "help","h");
+            cs.AddSwitch("Startup", "behaviours", "b");
+            cs.AddSwitch("Startup", "help", "h");
             cs.AddSwitch("Startup", "wear");
 
             IConfig ol = cs.Configs["Startup"];
@@ -110,6 +111,7 @@ namespace pCampBot
                                      "  -firstname         first name for the bots\n" +
                                      "  -lastname          lastname for the bots.  Each lastname will have _<bot-number> appended, e.g. Ima Bot_0\n" +
                                      "  -password          password for the bots\n" +
+                                     "  -b, behaviours     behaviours for bots.  Current options p (physics), g (grab).  Comma separated, e.g. p,g.  Default is p",
                                      "  -wear              set appearance folder to load from (default: no)\n" +
                                      "  -h, -help          show this message"
                                      );
diff --git a/prebuild.xml b/prebuild.xml
index bf11b0ffda..4e4bc61b24 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -2487,6 +2487,7 @@
 
       <ReferencePath>../../../bin/</ReferencePath>
       <Reference name="System"/>
+      <Reference name="System.Core"/>
       <Reference name="OpenMetaverseTypes" path="../../../bin/"/>
       <Reference name="OpenMetaverse" path="../../../bin/"/>
       <Reference name="OpenSim.Framework"/>