Graco Pack‘n Play Owner's Manual page 10

3. Insert tapered end of bar into end
of other bar with hole in it. Repeat
with other set of bars.
CHECK: Tubes MUST be
assembled before placing
mattress/pad in bassinet.
4. Insert the mattress/pad soft side
up into the playard, making sure
the hook and loop patches on
bottom of mattress attaches to
matching hook and loop patches
on the bassinet.