It went much quicker than I expected, and I finished it before the New Year's Eve bells rang. (´･ω･`)w
This kit came with a ton of extra parts, and the box was just big enough to hold the effect parts and action base.
I was fooled by that.
The movement of the beads on the arms and waist is quite unique, and it moves well once you get used to it, but at first glance I had a hard time understanding how it worked.

Building the Mandala Gundam while listening to the New Year's Eve bells | かりやめて's Gunpla works