Not so evident to find the good process! Pieces are made in Moi then exported to free SketchUp Make 2017!
Physics Engine: MS Physics by Anton

Of course i can make the same (animation) with Elephant...

Difficulty is to find the method for the good angles following sizes...

https://moiscript.weebly.com/uploads/3/9/3/8/3938813/choco1_v6.skp
https://moiscript.weebly.com/uploads/3/9/3/8/3938813/choco1.3dm