going to need cardboard, a ruler, scissors double sided tape, black construction paper, glasses, a glu gun, glu sticks, and then your dope outfit. nick, this one's for you. >> so cool. normally you surprise other people with your costumes. now we're surprised with koss coupes for us. how exciting. black thread and a thick, black sharpie. >> see what jessica has up her sleeve for me. >> a 9x9 piece of cardboard, big role of tape. paper towel roll, ruler, scissors, paint brush, ma tatic paint, a belt. >> recycle bin. >> that's already too much work for me. >> gayle, this one is for you. what you need a pen, green construction paper, ruler, scissors, you'll need a glue gun, glue sticks, empty roll of paper towels and yellow dress. >> last, not least. >> black bottoms, blacktop, safety pins, fabric softener sheets and random items of clothing. >> see what jessica has for us. come on, jessica. join us. [ applause ] >> carol. >> just appear with last-minute costume ideas. >> i have them, but you have to try them on. right now. >> yeah! >> what? >> i know what he is. a stick figure happy face. >>

all you need are a few empty milk jugs, a sharpie, maybe a glu gun, 800 easy steps later you might getsomething if you're lucky but experts say it's just not worth the trouble. masks impair vision, meaning trick or treaters may not see oncoming cars. safe kids worldwide says that translates into a scary annual rise in kids killed in car accidents. >> on halloween night we see the number of fatalities actually double compared to any other night of the year. >> reporter: drivers may not be able to see kids especially if they're wearing costumes like this one called the invisible kid. it's a body suit that completely covers a child in black cloth making them blend into the night. >> thank you. >> reporter: the consumer products safety commission says giving glow sticks to kids with darker costumes. >> and line the costumes with something like reflective tape. costumes or trick or treat bags. >> reporter: keeping kids safe this halloween is the best treat of all. and any way -- oh, little storm troopers may be cuter without their masks on. erica edwards, nbc news. >> we were just talking.

gun and hidden cameras everywhere we put kids to the test. >> so scary. so scary. >> their parents nearby in our watch mobile, eyes gluedevery moment. >> i think he might pick it up. i'm just worried. >> some kids will ace it. >> proud mama. >> some won't. >> we're also testing teens. >> trigger pulled. however, nothing will fire from the gun. >> straight up right now. peer pressure is really big. >> come on, now. >> can they withstand that pressure? >> feel how heavy that is. >> and then one way to teach your kids about gun safety that just might work. >> that was perfect. >> i'm really, really proud of you. >> my could would never do that. >> hi, everyone. kids and guns, a potentially explosive mix. a lot of parents have told their children never to touch a fire arm when they are not around. as hidden cameras rolled we learned that message can be forgotten when there is a shiny gun in the room. while there is no sure fire way to keep kids safe it turns out there is one surprising strategy that could help save your child's life. we know children can be impulsive. they break the rules not because they are bad kids but b