Hi @Michael_Bridges @ben I’m having issues with my Active/Passive toggle. I do the following:
Once I select Add Passive, all elements are now passive. If I select a pin to add active, all elements are now active, including the planes.
Any ideas what might be going on here? I really wanted to smash things into each other 
It suddenly started animating,maybe a second fresh open of the saved file is all it needed. Now it is doing this:
Any idea what’s going on with the gravity?
Wow that looks fun!
I cannot tell much by looking at the video, could you attach the Blender file too?
Hah! Yes, it grew quite a bit. Here’s a link to the file, it was too large to post:
https://drive.google.com/open?id=1Py_uMkNCGZQ7EB7UBzPudM9EjuZJHw-B
Apologies for the delay.
Yep, origins are you issue- set you origins to the centre of your objects and you’ll be sorted 