Discounts and promo codes
Find out how to apply your discount codes, explore our special offers, and learn what to do if a promotion isn't working at checkout.
I forgot to add a discount code.
Please do not cancel and re-order! Just email us your order number and the discount code you wanted to use. We can usually apply the discount as a partial refund to your existing order, which saves you (and us) the hassle of a cancellation.
I received a promotion code. How do I apply it?
Looking to use a discount code on your next order? Just a quick note: most of our discount codes won't apply to kits that are already on sale. If your chosen kit isn't on sale, go ahead and apply your code during the checkout process, where you'll be
Why is my promo code not working?
There are a few common reasons why a promo code might not apply to your order. The most frequent reason is that the code has already expired, as our promotions are typically available for a limited time only. If the expiration date has passed, the sy