Author Michele Reyzer
Topic Indoor Activities
Credit Mark Godfrey
Halloween specimen jars on windowsill with labels like Rat Intestines Venom Bat Bones and Chicken Brains
Photo: Mark Godfrey

Fill jars with “crocodile brains,” “eyes of fish,” “bat bones,” and “bullfrog blood” for a Halloween display that looks straight out of a mad scientist’s lab. The secret? Every spooky specimen is made from ordinary kitchen items.

Materials

Supplies:

  • Clear glass or plastic jars with lids (various sizes, cleaned with labels removed)
  • Craft paint (for the lids)
  • Creepy labels (printable PDF, or make your own)
  • Household items for filling (see the specimen guide below)

Tools:

  • Scissors
  • Glue

Steps

  1. Collect jars. Gather clear jars of different sizes. Pasta sauce jars, pickle jars, mason jars, and baby food jars all work. Remove all product labels and clean thoroughly.
  2. Fill the jars. Choose your specimens from the guide below, or invent your own. Pack them in and seal the lids.
  3. Paint the lids. Use craft paint to give each lid a different color. Black, dark green, and rusty red look the creepiest.
  4. Add labels. Print the downloadable labels or design your own on strips of paper. Glue them to the front of each jar. Use your best spooky handwriting for a “found in an old laboratory” effect.

Specimen Guide:

  • Crocodile Brains = painted walnuts
  • Fish Eyes = small rubber balls
  • Bat Bones = cotton swabs
  • Bullfrog Blood = water dyed with red food coloring
  • Werewolf Fur = brown craft pom-poms
  • Rat Intestines = cooked spaghetti
  • Bone Dust = salt or sugar
  • Venom = water dyed with yellow food coloring

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