Attica High School Science Teacher Jenna Linsey shows her freshman Earth science students how to use her augmented reality sandbox Friday, Jan. 19 during an introductory lesson on topographic maps.

CAMDEN, New Jersey (WPVI) -- Camden students built a cardboard planetarium, an augmented reality sandbox, and more for 'NJ Makers Day.' The 11th annual NJ Makers Day, taking place this weekend, is ...