Thank you for the heads up, Jin; I'm eager to try this. Will you please recommend what size is best for shoulder/hip joints in the 6" (1:12) scale?

I really don't know, never used them for shoulders or hips before. The 'ball shape' ones would be better suited for that as the clear/grey ones are basically used for sections that are hidden. Like you drill into a neck or wrist and glue the ball cup in there, it doesn't show.

"The 'ball shape' ones would be better suited for that as the clear/grey ones are basically used for sections that are hidden."

I don't understand. What is the difference between the "ball joint" and "ball shape" products they list? Difficult to tell from the pictures.

The "ball joint" ones are like a cup and ball joint, good for things like neck and waist joints, things that just need to pivot a little. You can use them for shoulders, but you wont get much ROM outside of forward and back and a little bit to the outside. The "ball shape" joint is your traditional joint that can bend at a right angle. Since they have pegs on each end they can swivel as well.

Emerje