Goosebumps

tommy and his new friends Ben and thaila are decorating the school gym for a dance when band rips one of the banners, then Tommy and Ben go to find tape and ben falls though the floor and they find a old eleveter they decide to use it instead of the stairs. but when they get in the doors close but the elevartor wont move! they press a red botton and it takes them to a little gray room with gray kids than the kids say that they cant leave and that Ben and Tommy will turn gray soon but then when they are almost gray a girl comes and helps them andTommy and Ben excape!