As part of the museum’s America 250 celebration, guests can enjoy two fun, space-themed activity sessions in the STEM Center and take a guided gallery tour led by a trained museum staff member. The balsa flyer session will begin at 11 a.m. and 2 p.m. and the Space Shuttle glider session will begin at Noon and 3 p.m. Guided tour sessions will begin at 11 a.m., 1 p.m., and 3 p.m. All activities and tours are included with daily admission, so come celebrate America’s rich history of innovation and space exploration while having fun!