sister mildred, you wanted to say something special?ut out to braydon at children's hospital. >> come on over here to korean, the director here, tell me what's going to happen. >> so what's going to happen, we will have multi lunch with these incident of pre k3 year old, all of the rock lets go off at the same time, and we're just going to make a great day out of it. >> so come on back. everybody clear the way. getting ready to launch. okay, we will countdown from five down to one, pre k school, pre k kids involved, as well. now, this is open to the epp, and eighth graders here off knights road here in northeast philadelphia, all right, jared, let's go, let's get back. can we clear it? we got the wires hooked up. we'll countdown. are we ready? okay? hold on. i feel like nasa here. >> we got the wires? hang with me. hang with me here, 900 plus students, here in northeast philadelphia. they built these rockets during the course of the year, and this is part of their big program here, where they get a chance to come out on to the school ya