Browse through the various Page Blocks and Extra Blocks (In The Left Menu)
Choose a Block by adding the quantity (1 item or more) then click on the Add To Cart button.
The Block will automatically be added to your cart.
If you'd like to change a Block's quantity you must delete it first then re-enter it.
To delete a Block, go to the View Cart page and delete that Block. Your cart will be automatically updated.
You can check out at any time after choosing your Blocks by clicking on the Check Out page.