1 - Enter the codes for the products you want
2 - Enter how many you want of each
3 - Click 'Check my product codes'
4 - Make sure everything looks OK, then click 'Add my products to the basket'
When you have added all your items you can view your basket and order
Filled up the form but haven't added all your products?
Simply add your products to the basket and the list will clear, allowing you to continue shopping.