Arena STEM, a new retail edutainment concept opened its first U.S. location at Westfield Garden State Plaza today. The flagship store will be located on level two near Nordstrom. About Arena STEM Arena STEM, co-founded in the U.S. by Sergei Manevich & Lenny Lozinsky, is a new and innovative edutainment concept in a retail setting, focused on activities in the technical sciences of Science, Technology, Education, and Mathematics combined with sports and hobbies. It offers peop