Set of 4 Coffee Mugs - Pour a mug of your favorite drink as you think! Sketch a plan, work out a formula, write a message on Einstein’s Blackboard for your labmate or your roommate. As soon as you open the box you can create an equation because there’s chalk right inside. This is a mug that will give you ideas… so go ahead and make your mark, Genius! (And don’t forget to show your work.) 

12 oz /350mL. 

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