We always joked that my son had three friends, Mr Lion, Mr Tiger and Mr Elephant. It was the only thing that could keep him occupied while he laid in his crib. He would even babble and talk to them.
As I’ve mentioned in another review, I think the simpler the mobiles the better.
This is because the animals are actually meant to get you started but can be changed every so often to expose baby to different shapes and colours
Love the simplicity of this too!