Click the penguin of whom's player card you want to click and then click his player card. This is the answer to the question you gave to me, or otherwise this question does not make sense.
You click on your penguin
Your Inventory in club penguin is that you have to first click on your penguin (or the star on your cp toolbar) and then click on the arrows on the right hand side of your player card.
For this you have to meet Rockhopper on club penguin. When you do so, click Rockhopper's player card and click the box. You will get his background.
Click on your player card/yourself
You have to see Rockhopper and click on him, then there will be a box on the bottom of his player card, click on it.
the stamps are all on your player card. just click on yourself and click on the stamp icon.
You can buy clothes & colors at the Gift Shop in the Penguin Style catalog, then click your penguin & click a little tab on the side of your player card & you should find the clothing changer. If you want to take something off, click the item on your penguin in the player card.
Click on your penguin. Then you will see your clothes too the left of your player card. Click the clothing item too put it on. Click it on your penguin or click a new[for example] head item too take it off.
Click your penguin or the icon that open ups your player card. Click the thing that says all at the bottom, click more and click backgrounds and choose which one you want!
Click on a penguin, the one you want to send a card to. Click on the mail icon. Then choose which card you would like to send to the penguin.
u click on your player card and then go down until u see ur costumes then u click on the costume and then its on ur penguin.
You need to add them as a friend, then click on the house icon on their player card.