Some Things That Babies Like (according to my 7 month old niece)

Babies like spoons.
Babies like doggies.
Babies like chewing on doggie tail.
Babies like pulling doggie fur.

Doggie does not mind any of the aforementioned activities as doggie likes attention to be paid to her, regardless of the size of the person paying the attention.

Babies like being tickled.
Babies like being showing the restaurant bar and having all the different types of liquors described to them.
Babies like being held upside-down (but not when they have been crying).
Babies like boobies.
Babies like knuckles (to gum on).
Babies like strained peas.

I like Babies.