If you wish to change your address on joujou.ch, here are the steps to follow.

Log in to Your Account : Go to the website and log in to your account using your username and password.

Profile or Account Settings : Once logged in, look for a section called "Addresses".

Edit Address: In your account section, there's an option to "Edit Address" or "Add New Address". Click on either option as desired.

Enter New Address: You can either add a new address, or modify an existing one. Enter the details of your new address. Make sure you fill in all the necessary fields, such as street name, number, city, zip code and country.

Confirm changes: After entering your new address, there will probably be a button labeled "Save", "Update", or "Confirm". Click on it to save the changes you've made to your address.

Check Billing Address: If you also wish to change your billing address, be sure to check this section and repeat the above steps if necessary.

Log out and log back in: Sometimes it's a good idea to log out and then log back in, to make sure your changes have taken effect.

If, for any reason, you are unable to change your address, or if you encounter any problems during the process, it is best to contact Joujou.ch customer service directly for assistance.