I dont think you can because there used to be box store but it isnt there anymore but you might be able to get it during the puffle party
you get when a new catalog comes out
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You had to buy a box for your igloo at the April fools party in 09
on April fool days go to the box store which is in the snow forts then buy it
you go to the igloo decor and get it around April fools day
I am sorry but you cannot get the box deminsion in the catolog. But you can get it on April Fool's Day.
It should of been out today but it might not come out until april 4 or 5th 2012 This Has Been When is the new catolog for Club Penguin coming out for april 2012
No, it's a lie. the only way to get the portal to go to the Box Dimension is by buying it when it appears in the Furniture Catalog. Random Fact: The portal to go to the Box Dimension first appeared in Club Penguin in the April Fools party!
MARIO
You'll have to wait till April fools in 2011 its so crap innit
Maybe
He actually goes to a crowded Servers like the Mammoth, Blizzard, Breeze etc. The Room that He goes is the Box Dimension. But be faster! April Fools Party 2011 at Club Penguin will be over soon! It will be over on April 1, 2011.