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Puking Pumpkin Science

Ages:

14 and up

Add a dash of gross science with an eerie, oozy chemical concoction you whip up yourself! Experiment with color-mixing while blending together baking soda, foaming gel, and liquid colors into a carved pumpkin from home. Then sit back as the chemicals react and make your pumpkin “puke”!

$19.95

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Description

SKU:

5989

Get ready for a delightfully disgusting Halloween science experiment! The KiwiCo Puking Pumpkin Science Project Kit transforms a carved pumpkin into a bubbling, foaming science demonstration that introduces older kids and teens to chemical reactions, color mixing and experimental observation.

The kit provides the key materials needed to create the foamy reaction, including hydrogen peroxide, active dry yeast, three liquid colors, foaming gel, a flask, a funnel and illustrated instructions. A pumpkin is not included, so you can choose and carve your own pumpkin at home.

As the ingredients are combined, the pumpkin produces an oozy, colorful foam that spills from its carved opening. The dramatic result makes abstract chemistry concepts easier to observe: young scientists can watch materials interact, make predictions, compare color combinations and discuss evidence of a chemical reaction. Chemical reactions can produce noticeable changes such as gas formation, temperature changes and color changes.

The Puking Pumpkin is especially well suited to Halloween STEM activities, science-loving teens, family experiments and hands-on chemistry learning. KiwiCo's own Halloween collection identifies the project as an ages-14+ activity, while the company's product information highlights chemical reactions and mixing colors as the primary concepts explored.

The project also encourages the scientific process: make a prediction, combine materials, observe what happens, record the results and think about why the reaction occurred. That makes this more than a Halloween novelty—it's an entertaining way to practice real scientific thinking.

 

What's Included:

  • Hydrogen peroxide
  • Active dry yeast
  • 3 liquid colors
  • Foaming gel
  • Flask
  • Funnel
  • Illustrated instructions
  • Pumpkin not included

 

Topics Explored:

  • Chemical reactions
  • Color mixing
  • Scientific observation
  • Experimental investigation
  • Halloween STEM

Age Recommendation: 14+ years

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Learn more!

Watch the pumpkin ooze!

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Explore facts about Volcanoes from National Geographic Kids.

About

KiwiCo

KiwiCo was founded in 2011 by Sandra Oh Lin, an engineer, mother, and entrepreneur who wanted to make creative, hands-on learning easier for families. As a parent, Sandra appreciated projects that encouraged children to explore and invent, but found it difficult to consistently find ideas, research activities, and gather all the necessary materials. She created KiwiCo to make those enriching experiences more accessible.

The company began as Kiwi Crate, offering activity boxes designed to help children learn through making and experimenting. As the range expanded to serve more ages and interests, the business adopted the name KiwiCo in 2017 to reflect its broader collection of projects and educational experiences.

KiwiCo develops activities across science, technology, engineering, art, geography, and other subjects, with projects designed by a team of educators, designers, engineers, and makers. The company also gathers feedback from children to help ensure that its projects are engaging, age-appropriate, and fun to complete.

KiwiCo's mission is to inspire the next generation of innovators by helping children build creative confidence and problem-solving skills. Through hands-on discovery, it encourages kids to become active creators, experiment with ideas, and learn by doing.

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