12 - And also set the Col. Tolerance to 0.02 as in the picture below.
13 - Once Again go to the Reactor panel and then chose, Rigid Body Collection as in the image below.
14 - Click somewhere in the scene and then chose the Add button as in the picture below.
15 - Now from papering window add all the objects in the scene in Rigid Body Collection as in the picture below.
16 - Now you can see all the objects in the scene has added in the list as below.
17 - In the Reactor panel chose Preview Animation as in the picture below
18 - If you see the Reactor saying there is some inter-penetration and also Density of objects are very low, don't worry, nothing will happen in our simulation, everything will work nice and neat, as in the image below.
19 - When you are happy with your animation hit the Create Animation button in the Reactor panel as in the image below.
Here is my final render image I took this image after creating animation, the image is below.
Also you can download the end scene that how i create this Animation click here
I hope it helped you how to create collision among the objects with this you can create a very complex animation too, its really useful when you dealing with verity of objects in scene, this techniques really make your life easy to create realistic animations.
If you have any comments, feedbacks, suggestions, questions are welcome I will be happy to hear from you.