I hope those figurines would be sold as a mod, because I saw them in person and they were a very nice touch. I will admit that the clearance with the ball on the habitrail looked very tight, but I didn't see any cases of the ball being obstructed by them. They were very close though.
On a side note, does anyone know where I can buy replacement decals for the flipper bats? The red one on the upper flipper is starting to peel off and I would like to replace it. I didn't see them on AP's website or on other pinball websites that sells mods and flipper toppers.