Silver Add Ons require a paid Silver Summer 2024 Box or the order will be cancelled and refunded. Add ons are $10 each. They may or may not ship with your box depending on how many items you add and when your box is scheduled to pack and ship. Silver Add ons are only available from Wednesday 7/3/2024 08:00 PST to Sunday 7/7/2024 23:59 PST.