My baby is entranced by lights. We have a moon LED that he stares at near his crib and over the holidays he discovered the colorful christmas lights we hung in the dining area. He will be fussy until we walk him beneath them (we kept them up for him) and then he just stares at them, fascinated. He sometimes will stay calm in his pack 'n play and eventually sleep because he has a little arch with moon and clouds overhead to look at, but without lights.

I want something even more mesmerizing for his main sleeping crib. No need for music because that will just keep me awake since we room share. Any suggestions on soft, colorful lighted mobiles similar to Christmas lights but that aren't too busy looking?