*Receive 20% off FULL PRICE purchases of $60 or more storewide from the I Love Science Store using code USAFEB17, excluding already marked-down items, bundle items, shipping charges, gift wrap charges, taxes and customs duties. Promotion starts on February 24, 2017, at 12:00 a.m. (EST) and ends on February 26, 2017, at 11:59 p.m. (EST). All orders must be from the I Love Science Store and added to cart from URL beginning with: http://www.ilovesciencestore.com.