Free Shipping through 12/31!

Just place an order of $100 or more before 11:59 PM EDT on December 31, 2018, enter promotion code 457851, and choose Standard Shipping at checkout.

Terms and Conditions: Offer applies to U.S. delivery addresses only. Cannot be combined with any other offers. Some products, including larger academic sets, are excluded from this offer. Cannot be used on previously placed orders, or on backorders. Order must total $35 or more, excluding shipping fees or taxes, in order to qualify for this offer. Offer expires at 11:59 PM EDT on Monday, 12/31/18.

  1. Last Minute Christmas Sale- thru 12/17