“Welcome to my crib,” he says, in a tongue-in-cheek riff on the notoriously opulent TV series MTV Cribs. Instead of snooping inside the mansions of the world’s biggest celebrities though, we see ...

The different types of convertible cribs—2-in-1, 3-in-1, 4-in-1, all the way up to the 8-in-1—aren’t standardized; one brand’s 2-in-1 may convert from a mini to a standard crib while ...