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  • Hi, I'm Vicky, the founder and content creator at Mess For Less. If you are looking for family-friendly recipes, recipes that kids can make, and play and learning activities for kids, you will find them at Mess For Less. I invite you to learn more about me. Thanks for stopping by!

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    Home » Play and Fun

    Fizzing Pumpkins Halloween Activity

    Published: Sep 21, 2015 · Modified: Sep 19, 2022 by Vicky · This post contains affiliate links.

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    We all love to see our kids smile. My three girls (7 year old twins and a 5 year old) often bicker or give me attitude so I really value those smiles. I love to make them smile with jokes or by acting silly, but I have secret weapon that makes them smile every single time. In fact, I have yet to see this not make a kids smile. Try it on yours and let me know if it works. If you try this fizzing pumpkins Halloween activity and it doesn't make your child smile, I will refund the price you paid for this idea (a whopping $0). You might also enjoy these Coffee Filter Pumpkins.

    Fizzing Pumpkins Halloween Activity - kids will be amazed and delighted as miniature pumpkins fizz and bubble.

    You will need:

    • Vinegar
    • Baking soda
    • Food coloring (orange or red and yellow to make orange)
    • Water
    • Plastic see through cups
    • Bowl
    • Spoon
    • Pumpkin mold
    • Tray
    fizzing pumpkins activity

    "Hey kids, want to help me make some pumpkins?" This request was met by confusion, questions and a resounding yes! I seriosuly think you can ask my kids to help with anything (not cleaning related) and they would jump at the chance. "Hey kids want to help me make anchovy paste?" YEAH!

    I'm about to tell you the secret to making these super cool fizzing pumpkins. No, it isn't a dose of magic (though that always helps). The secret is combining the following ingredients into a paste: ½ cup baking soda and 3 tablespoons of water.

    Once that is done, squeeze a few drops of food coloring in. We didn't have any orange food coloring, so we used red and yellow to make orange. Of course the kids went a little over board with the squeezing, but we ended up with a bold, vibrant paste.

    Halloween eruptions fizzing pumpkins

    Now you will mix all that good stuff to get the color spread evenly. The consistency of this paste will be more on the crumbly side. don't worry, it will do the job.

    child doing halloween science

    So how do we make those adorable pumpkins? A dollar store ice cube tray. Yup. Now I know dollar store inventory varies and this may not be at your local dollar store, so I included a link above in the supply list to purchase it on Amazon. But check the dollar store first.

    I am about to tell you something surprising about these pumpkins. They are delicate. Now real pumpkins can survive being dropped by a toddler onto hardwood floors. Guess how I know that. But these little guys are delicate and so you will really only want to make one at a time. If you were filling up the entire tray with the baking soda paste - STOP! Unless you enjoy cleaning messes and the tears of small children. Put enough of the mixture into one pumpkin crevice and push it down with your fingers, careful to get it into every nook and cranny, particularly the stem.

    silicone pumpkin mold

    Carefully turn the mold over to remove the pumpkin, placing it in a plastic cup. When the kids tried to do this themselves they broke the stem every time, so I deem this an adult step.

    baking soda pumpkins

    Ready to make some smiles? Fill a small cup with vinegar and have your child pour that into the pumpkin cup. BUBBLE! FIZZ! GURGLE! The cup is overflowing! You know what else is overflowing. Smiles.

    Fizzing Pumpkins Halloween Activity - sure to delight and amaze kids!

    Kids will love these Halloween bookmarks

    Printable Halloween bookmarks to help you or your child keep your place in books you are reading. These are perfect to keep your place while you are relaxing with a good book. Never lose your place and get into the Halloween spirit! These printable bookmarks are perfect for teachers and classroom use. Print as many as you want.

    For more Halloween activities check out:

    Halloween Fine Motor Activities

    Black Glue and Salt Pumpkin

     

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    Reader Interactions

    Comments

    1. Mommies Brain

      September 16, 2016 at 7:18 pm

      Cool idea, this makes me want to get into the Halloween spirit!

    2. Vicky

      September 28, 2015 at 10:39 am

      That is a genius idea and the kids would flip!

    3. C. Gresham

      September 26, 2015 at 11:34 pm

      I was trying to think of other ways to use the soda/vinegar mixture soon in my class. How about a regular ice cube shape as the building, the fireman comes along and sprays the water, vinegar, and the fire gets put out, Since October is fire safety month and we already have a visit from the firemen scheduled.

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    Hi, I'm Vicky, the founder and content creator at Mess For Less. If you are looking for family-friendly recipes, recipes that kids can make, and play and learning activities for kids, you will find them at Mess For Less. I invite you to learn more about me. Thanks for stopping by!

    Valentine's Day Activities and Recipes

    • Valentine’s Dessert Cheese Ball
    • Valentine's Brownie Cake Pops
    • Valentine's Chocolate Covered Pretzels
    • Valentine Ideas for Kids - Glitter Hearts

    Winter Activities

    • Q-Tip Painted Snowman Craft
    • Winter Shaving Cream Paint
    • Pinecone Snowman Craft
    • Melted Snowman Craft

    Popular Recipes

    • Crack Chicken Casserole
    • Overnight Egg Casserole
    • Toasted Italian Sandwich - Food Fun Friday
    • Chicken Broccoli Alfredo Bake

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