Top Secret STEM badge Day at Dell! Lake Hills Service Unit Posted on May 29, 2019 by tuulikkiMay 29, 2019 Top Secret STEM badge Day at Dell! All age levels. See attached flyer. http://www.lakehillsgs.org/wp-content/uploads/gravity_forms/1-c1e08b0bed5d327149a93872dce619bc/2019/05/Top-Secret-STEM-Badge-Day-at-Dell.pdf