Alien in Jar Tutorial: If you like the creepy jar/specimen props, here’s a tutorial showing you how to make your own creepy specimens. Yuck! Found at the forum Indy Mogul.

Canned Halloween Monstrosities: Round out your mad-science lab or witch’s larder with just a few dollars and a little imagination. Jars filled with creapy, gooey things that are sure to add some extra spook to your Halloween decor. You just need a little imagination and an eye for mixing and matching. Details found at I Make Projects.

Jar-o’-Lanterns: Paint jars in pumpkin colors and give them funny faces, fill with treats and enjoy the smiles they bring. From Martha Stewart.

Speciman Jars: Fill an old jar with water, add some food coloring, attach a label and you have a cheap & easy prop item for your Halloween decor. Includes a printable label. Details at Dave Lowe Design.

Specimen-Jar Candle: The specimen-jar candle looks like it came straight from a mad scientist’s laboratory, but it’s really easy to make — and little trick-or-treaters will love it. Tutorial by Martha Stewart.

Witch Kitchen Jars: Jars filled with ingredients to look creepy. Basic household items and regular jars used. Print off spooky labels and you have some nice decorations for a witch kitchen display. Check them out, they look awesome! Details found at aranamuerta.com.