Trash Bag Spider
1 large black trash bag
First, blow up one of the balloons about halfway. Place it in the bottom of the trash bag.Gather the trash bag around the balloon and tie with a twist tie, thus forming the head of the spider.
Next, blow up the second balloon to full-size. Place it in the open part of the trash bag.Now, gather the trash bag around the balloon and tie with a twist tie. This should form the body of the spider.
Last cut off any excess of the bag and use to form legs if there is not enough to use then you can use another bags to cut up to form eight legs. Then tie leg ends around section in between head and body of spider. Done! Hang up on ceiling spred out legs and you got a easy and fun Halloween decor!