That is a cool thing to remember... using foam insulation spray thats used to fill in cracks.

I love this!!! Halloween Kids Game: Foam Head Frankenstein Bowling at #MakeItFunCrafts

how to make a full-size bubbling cauldron

Count Down to Candy - Halloween Advent Porch Sign

Outdoor Cauldron: Fill two plastic cauldrons with spray-foam insulation; let it dry. Then use spray paint to add a yellow-green tint to it. Accent with plastic creepy crawly creatures.

Foam skulls how-to - using off the shelf cans of expanding foam from the hardware store #HalloweenDIY

improve the look of a plastic cauldron

foam bricks on garbage can

Need to remember this! Make that Carving Last - Spray a mixture of bleach and water on the inside of your fresh pumpkin daily or coat the inside w/ petroleum jelly to keep mold and dehydration at bay.

To go w/ snake wreath..Snakes Under the Doormat: Spray-paint rubber snakes glossy black. Create various lengths of snakes by cutting them in two; arrange at the edge of a thick plastic-foam board and glue to the edges. Set the board underneath a doormat

Fill syringes with jello- great for a 'scary' party or Halloween party

Cool Pumpkins - so doing this for my pumpkin this year! Must remember to bleach the insides

Skeleton Wreath- foam skeleton in a bag, super easy.

Creature made from a Blucky Skeleton and Great Stuff spray foam.

Monster eyes and fangs made from hardware store foam.

DIY Halloween Prop Some really cool ideas in here!!!

Spooky Halloween prop tutorials! One-armed grave grabber, foam tombstones, boneyard bbq, and bubbling brew...

an old 55 gal barrel, black paint, a caution sticker and spray foam painted neon green! big WOW effect. Add a fog machine in the bottom and watch peoples reactions!

ghost dresses made of chicken wire! maybe the awesomest halloween thing i've seen.

Make faux chains out of pipe insulation to use as Halloween decor. {}

Use silica gel packets to keep pumpkins from molding during Halloween time! WHO KNEW! I must remember this...