Orders and Payments
Manage your order details, billing, cancellations, and discount codes
Can I cancel my order?
Yes, you can cancel your order for a full refund as long as it has not yet been shipped. Please contact us immediately with your order number. If you have already received a tracking number, it means the package has left our hands and cannot be cance
How do I find my order number?
You can find the order number in the first confirmation mail we sent you.
I have received a wrong order. What to do?
If you've noticed that you've received something you have not ordered, please reach out to us at [email protected] and send the following information:. Our customer support team will soon get in touch with you and resolve the issue ASAP.
I have placed my order a while ago but I still have not received it
If you’ve placed your order and have not received it in two to three weeks, please let us know at [email protected], and we’ll take it from there to help you get your package.
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.
Can I cancel just one item from my order but keep the rest?
If you ordered a bundle or multiple kits and only wish to remove one specific item, please reach out to us. There is no need to cancel your entire shipment, we can simply remove the individual item for you and refund the difference directly to your o
My order has already shipped, but I don't want it anymore.
Since the package is already on its way, you will need to wait for it to arrive and then return it to us. Once we receive the unopened return, we will issue a refund for the item (shipping costs are non-refundable).
I accidentally placed a duplicate order. What should I do?
Please email us right away with the subject line "Duplicate Order." We will keep one order active and void/refund the second one immediately.
Do I have to pay import duties for my package?
Enjoy free international shipping on all orders over $99 from our webshop. However, we do not cover import customs fees. If you are located in EU, USA, Australia, UK, or Canada you won’t be required to pay any extra import duties.=====If you live in
Is there a minimum purchase amount for my order?
Great news - there's no minimum purchase required for your order!
I can't edit or change my payment method. What should I do?
Having trouble updating or changing the payment method for your STEM box subscription? No worries! Email us at [email protected], and we'll immediately assist you.
Why is the price in EUR higher than in USD?
The difference in price between our USD and EUR listings is due to the fact that taxes are significantly higher in Europe. It is important to understand that this price difference does not result in more profit for CircuitMess. The entirety of that p
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
How long does it take for the refund to appear in my bank account?
We process the refund immediately on our end. However, depending on your bank or credit card provider, it typically takes 5-10 business days for the funds to appear on your statement. PayPal refunds are usually instant.