Help and Information about Using this Site

Shipping Information

We are happy to ship worldwide. Items are shipped via US Postal Service or United Parcel Service (UPS). [More Information]

Returns and Refunds

30 day return policy on books and kits. DVD's cannot be returned unless defective. [More Information]

Currency Conversion

Prices are shown in U.S. dollars. You can use the currency tool at the top of the page to display estimated conversion value. [More Information]

Davis Materials Buying Guide

Unsure of which kit to buy? Here's a set of recommendations tailored to your needs. [More Information]

Creating and Managing your Account

Learn how to create an account. Account benefits include order tracking and earning reward points on every purchase. [More Information]

Privacy Policy

We value your privacy and will not share your name or information with others. Your credit card information is securely transmitted for processing and never stored on our web site. [More Information]

Credit Card Validation Errors

If you receive an error message after submitting your credit card, it is likely to be a problem with validating the credit card number against the billing address that you provided. If the error persists after you have checked all fields for accuracy, you may need to choose an alternative means of payment. [More Information]