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Specimen Jars

Spook up your home for Halloween with easy-to-make specimen jars, a creepy craft sure to bring out the mad scientist in you.




Resources: Encapso K and Sil-Poxy are available from Eyes and teeth can be found at most Halloween stores.


  • Glass cylinder vase or jar
  • Encapso K
  • Plastic paint bucket
  • Mixing tool
  • Halloween teeth and eyes
  • Sil-Poxy Silicone Rubber Adhesive
  • Chopsticks (optional)


  1. Step 1

    Combine two components of Encapso K in a plastic paint bucket and mix for five minutes.

  2. Step 2

    Pour mixed Encapso K into a glass cylinder or jar until the depth is about two inches. Let dry at least two hours.

  3. Step 3

    Using silicone rubber adhesive, glue teeth to hardened silicone surface in jar. Let dry for 15 minutes.Tip: Use chopsticks to place teeth inside jar.

  4. Step 4

    Pour another few inches of Encapso K over teeth. Let dry for 15 minutes.

  5. Step 5

    Glue eyes to hardened silicone rubber surface and allow 15 minutes for eyes to dry. Pour one more layer to fill cylinder or jar.

The Martha Stewart Show, October 2008



Reviews (7)

  • MsMarsha 29 Aug, 2011

    You can buy relatively inexpensive acrylic eyes on ebay.

  • sayles 29 Sep, 2010

    were to find the jars ? and will that stuff dry be four u use it all

  • amandaboo 15 Sep, 2010

    I wonder if you could use clear gelatin with the same effect?

  • charlestongirl 1 Nov, 2008

    Does anyone know where to find the eyeballs used in the specimen jars?

  • clips 30 Oct, 2008

    Does anyone know where I can find puck lights ?

  • surfchyck 23 Oct, 2008

    hi. they're called puck lights. they come in different led colours....i wonder what lid she used...but i guess that doesn't matter. but i was thinking of using individual leds, ditching the dry ice and making little ones in jam jars for favours....too cool.

  • Zetacat 23 Oct, 2008

    I want to know if someone can at least tell me why there isnt a photo of the craft with the specimen jars with the silly teeth and eyeballs, I wanted to show the finished projuect