Don't worry. Whilst it isn't yet possible to edit your order after payment - our staff will easily help if you ever find yourself in this situation.
If you've already paid for your order, and it's prior to 3am on the delivery day - get in touch with us as soon as you can.
When contacting us, make sure to provide us with your existing order number.
One of our friendly support team will reply as soon as possible, with details on how to order the extra items without you needing to pay any additional delivery fees.