Click the Insert Elements button from the menu on the right-hand side.
From the Products & Documents category, click and hold the PayPal Mini Shop icon and...
Insert Elements pane
Drag the icon onto the page where you want the product to appear. Once you have positioned it to your liking, release the mouse button.
Enter the required information like the your PayPal e-mail address, the item name and number, a desciption of the product, a phot of the product, pricing and any additional otpions. When you are finished, click the Save button.
PayPal Mini Shop settings
You can now see your product listed for sale on your page using the PayPal Mini Shop.