Only two MWM effects were detected during the 'intermissions' between dancing segments. The most common effect causes the MWM devices to alternately flash red and green. Both 'ears', right and left LEDs, flash the same color at the same time. Here's a video showing this effect:
MWM is an abbreviation for "Made With Magic". GWTS is an abbreviation for "Glow With the Show". "Glow With the Show" and "Made With Magic" refer to merchandise created and sold by The Walt Disney Company. BringMagicHome.com is a product of Bring Magic Home, LLC and is in no way affiliated with The Walt Disney Company nor any of it's subsidiaries.