Does it use a standard crib mattress?

No. It is a mini crib and takes a mini crib mattress, which is smaller than a standard full-size crib mattress. Check the mattress size before buying.

What does the 4 in 1 conversion include?

It is a convertible crib, so it moves through four configurations as the child grows, from crib stage toward toddler and older stages. The conversion pieces are part of the crib design.

Yes, it is built from solid pinewood. That gives it a sturdier feel than particleboard cribs, though the painted finish can chip at high-wear spots.

How big is it assembled?

It is a mini crib, so it takes noticeably less floor space than a full-size crib. That compact footprint is the main reason buyers choose it over a standard crib.

How hard is assembly?

It goes together with standard hardware and tools. Plan on an hour or more and a second person to hold panels while you fasten them.

Is it good for a small apartment?

Yes. The mini size suits apartments, shared rooms and grandparents' homes. The catch is that you must buy mini crib bedding, which is less common than full-size.