Dan Harlan – tarbell 9: Dan Harlan – Mathematical Mysteries

Shipping Policy
All products are digital, and you can download them immediately.
If there is no download file available, please allow 1-2 days* for processing (as we have a large number of files, it may take time to locate them).

Order Changes
Once your order has been confirmed, it cannot be modified or canceled. If you wish to return a product due to an incorrect order or long waiting time, you may exchange it for another product. Please contact us via email.

Return & Refund Policy

If you want to return an item to Magicteachingcenter, please follow the instructions below within 3 days of delivery. Please contact customer service.

Contact us for return instructions:
Email: [email protected]

Regular products can be returned for a refund, replacement, or credit hold, while special or custom products can only be returned for exchange.
Once the Fulfillment Center has received and confirmed your return (usually within 72 hours of receipt), you will receive an email confirming that your return is complete. If a refund is applicable, it will be processed within 7 days. Please note that, depending on your bank, it may take an additional 3-5 business days for the credit to appear in your account.

Have any questions?
The Magicteachingcenter team is happy to assist you!
Email us at: [email protected]