PORTABLE & ADJUSTABLE HEIGHT: Glides easily from room to room on removable locking caster wheels in each stage. The standard crib features 3 mattress heights to adjust as your baby grows and develops. GROWS AT THEIR PACE & ADAPTS TO YOUR SPACE: Transitions from bassinet (29.75”x20”x34”) to standard crib & junior bed. Suitable from newborn to 5 years old using just our included components. ALL-STAGES 9-IN-1 CONVERTIBILITY: Choose from 5 included conversions across 2 unique sizes to fit your family & home: bassinet, standard crib, toddler bed, daybed, and junior bed. Optional 4 additional midi crib stages (#M30879) and full-size bed (#M5789) conversion kits sold separately. WHAT'S INCLUDED: In one unassuming but mighty box, you’ll find all the hardware and parts needed to convert from the bassinet stage to the standard crib conversions, plus a 1” bassinet pad. SOLD SEPARATELY: A standard crib mattress and all the sheets designed to fit each stage. Optional midi-crib and full-size bed conversion kits are also available to support your family through every stage.