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Explore the Human Body — Elementary Unit Study | Knowledge Crates

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THIS UNIT SHIPS 9.1.26

The human body is the most fascinating machine your child will ever get to study — and they carry it with them everywhere. Exploring the Human Body is a hands-on elementary unit study that turns anatomy into an adventure, guiding kids from their very first cell all the way up to a full working model of a beating heart. This is real science, told through real experiments, real models, and a notebook your child builds themselves — not a textbook.

This is a complete, open-and-go unit study, so there is no lesson planning, no supply runs, and no scrambling. Everything starts with the Human Body Notebook, a journal your child personalizes and fills throughout the unit with facts, diagrams, and their own reflections — turning every activity into something they'll want to look back on. From there, the unit builds systematically: cells, tissues, organs, and systems, followed by a hands-on journey through the body using the Squishy Human Body model, where kids physically remove and replace organs as they learn what each one does.

Every major system gets its own investigation. Kids build a pumping heart model from cups and balloons, measure their own pulse after exercise, and construct a red blood cell out of clay to race against the clock — mimicking just how fast their own heart works. They build model lungs from paper bags and bendy straws to see how breathing really works, and play a digestive system board game to learn just how far food actually travels (30 feet — they'll measure it themselves!). A Moving Muscles model, a Homemade Vocal Cords experiment, and an Articulating Hand model bring the muscular and vocal systems to life with tools they build with their own hands.

The five senses get a full, immersive investigation of their own — from a "Pupil Power" experiment that reveals how light changes their eyes, to a blindfolded taste test with real fruit and chocolate, to a Skin Sensitivity experiment that has kids describing the world in as many textures as they can imagine. A Blinking Origami Eye, a hand-built Neuron model, and X-Ray Art using real bone anatomy references round out a unit that treats every system — seen and unseen — as worth understanding.

This unit study also makes space for what's happening on the inside. Kids explore their own emotions through an art journaling activity, learn about fingerprints and what makes them unique, and read Out of My Mind, a novel that follows Melody, a brilliant girl with cerebral palsy who cannot speak but has plenty to say. Guided discussion questions, a personal reflection writing activity, and a nonverbal communication challenge invite your child to think deeply about empathy, assumptions, and what it really means to understand someone.

There's no rigid week-by-week schedule here — activities are designed to be worked through at your family's own pace, in whatever order makes sense for your unit. Go deep on one system for days, or move briskly through the whole body in a couple of weeks. There is no wrong way to explore the human body!

Additional Information: Items may vary based on availability. This unit study crate contains products not manufactured by the seller. Some items may not be suitable for children under 3 years. Crate contents are not for consumption.

🎯 What's Included in your Crate:

Notebooking & Body Basics

  • Human Body Notebook
  • Cells
  • Tissues
  • Organs
  • Systems

Systems in Motion

  • How We Move
  • Journey Through Your Squishy Body
  • Mighty Muscles
  • Articulating Hand
  • A Blood Cell's Journey
  • Pumping Heart Model
  • Your Pulse
  • Breathe In!
  • Digestive System
  • Body of Water

The Five Senses

  • Your Five Senses
  • Optical Illusions
  • The Ear
  • Taste Buddies
  • Touchy Feely

Skin, Identity & Self

  • All About Skin
  • What Makes Me, Me?
  • X-Ray Art

Mind, Voice & Emotion

  • Emotions
  • The Nervous System
  • Double Doodle Art
  • Blinking Origami Eye
  • Vocal Cords
  • Burping Bag
  • Infection Simulation
  • Color Transfer Creations
  • Out of My Mind Family Book Club & Reflection Activities

Extras

  • Squishy Human Body Model Kit
  • I Spy Mat
  • Roll An Exercise Mat

Books Included with Your Crate:

  • The Fact-Packed Activity Book: Human Body from DK | PENGUIN
  • Awesome Human Body Science Experiments by Orlena Kerek, MD | SOURCEBOOKS
  • Weird But True! Human Body by National Geographic Kids | PENGUIN
  • Out of My Mind by Sharon M. Draper | Simon and Schuster

🎯 Who Is Unit Study Perfect For? Grades 2-5

  • Designed for elementary learners. Perfect for homeschooling families who want a full-body science unit that goes far beyond a diagram — one that combines real experiments, hands-on models, and meaningful reading into a single, complete study. Works well independently or alongside siblings at different ages, since the notebooking format allows each child to work at their own level.
  • Learners who retain more through doing — simulating, building, and creating — than through reading alone
  • Homeschoolers who want a clear plan and all the materials ready to go — no lesson planning, no supply runs, no piecing it together yourself
  • One complete unit study covers the entire body, system by system, without ever feeling like a textbook
  • Every system is understood through a hands-on model — kids build lungs, a neuron, and an articulating hand instead of just reading about them
  • The Human Body Notebook gives your child a personal, growing record of everything they discover — something they'll want to keep
  • Real experiments, not worksheets — measuring pulse, testing pupils, building red blood cells, and racing the clock like a real scientist
  • A powerful novel study with Out of My Mind builds genuine empathy and introduces neurodiversity in an age-appropriate, meaningful way
  • Flexible pacing means you can move quickly through systems your child already knows and slow down where curiosity takes over

THIS UNIT SHIPS 9.1.26

We work hard to process and ship all in-stock orders as quickly as possible! While we strive to ship same day, but please allow up to three business days for processing. As a small business, we appreciate your patience and are committed to getting your order out the door as fast as we can.

  • For out-of-stock items, please contact us for a more specific timeline on when the item will be restocked, we're happy to help!
  • For new releases, including our upcoming unit crates, will ship after the product's official release date. Crates are released on September 1st, December 1st, March 1st, and June 1st.

Shipping Methods & Tracking

  • We ship via UPS and USPS, with shipping costs calculated at checkout based on your location. 
  • Once your order ships, you’ll receive a tracking notification to keep you updated on its journey. While we can’t control what happens to packages once they leave our hands, we want to ensure they arrive safely. 
  • If there’s an issue with your shipment, please contact us—we’ll do our best to assist. If your tracking shows the package was delivered but you haven't received it, you'll need to follow up with the shipping carrier for further assistance.

At this time, we only ship within the U.S. Thank you for your understanding and for supporting our small business! 

🎯 What Your Child Will Learn

Common Core Connections

English Language Arts (3–5):

  • CCSS.ELA-LITERACY.RL.3.1 / RL.4.1 / RL.5.1: Ask and answer questions, referring explicitly to the text (Out of My Mind discussion questions)
  • CCSS.ELA-LITERACY.RL.3.3 / RL.4.3 / RL.5.3: Describe characters and explain how their actions contribute to the sequence of events
  • CCSS.ELA-LITERACY.W.3.3 / W.4.3 / W.5.3: Write narratives to develop real or imagined experiences using descriptive details (notebook journal entries, "If people could hear my thoughts" reflection)
  • CCSS.ELA-LITERACY.W.3.1 / W.4.1 / W.5.1: Write opinion pieces, supporting a point of view with reasons (Out of My Mind reflection essay)
  • CCSS.ELA-LITERACY.RI.3.1 / RI.4.1 / RI.5.1: Ask and answer questions to demonstrate understanding of an informational text (Fact-Packed Activity Book, Human Body Science Experiments)
  • CCSS.ELA-LITERACY.L.3.6 / L.4.6 / L.5.6: Acquire and use grade-appropriate general academic and domain-specific vocabulary (cells, tissues, organs, systems terminology)

Next Generation Science Standards (NGSS)

  • 3-LS1-1 / 4-LS1-1: Develop models to describe that organisms have unique and diverse life functions (Cells, Tissues, Organs, Systems notebook sequence)
  • 4-LS1-1: Construct an argument that plants and animals have internal and external structures that function to support survival, growth, and reproduction (Squishy Human Body, Pumping Heart Model, Breathe In!)
  • 4-PS3-2: Make observations to provide evidence that energy can be transferred (A Blood Cell's Journey, Your Pulse)
  • 3-5-ETS1-2: Generate and compare multiple possible solutions to a problem based on how well each meets set criteria (Pumping Heart Model, Articulating Hand, Neuron Model design and build)

National Core Arts Standards (Visual Arts)

Creating:

  • VA:Cr1.1.3a / VA:Cr1.1.4a / VA:Cr1.1.5a: Elaborate on an imaginative idea (X-Ray Art, Double Doodle Art, Color Transfer Creations)
  • VA:Cr2.1.3a / VA:Cr2.1.4a / VA:Cr2.1.5a: Explore and demonstrate an understanding of media, techniques, and processes (oil pastel, chalk, and clay work throughout)
  • VA:Cr3.1.3a / VA:Cr3.1.4a / VA:Cr3.1.5a: Reflect on and explain personal choices in creating artwork ("What Makes Me, Me?" and "The Real Me" art reflection)

Social-Emotional Learning Standards (CASEL aligned)

  • Self-Awareness: Identifying emotions and personal identity (Emotions jar activity, "What Makes Me, Me?", "The Real Me" silhouette art)
  • Social Awareness: Demonstrating empathy and understanding differing perspectives (Out of My Mind discussion questions and nonverbal communication challenge)
  • Self-Management: Practicing focus and calm through mindful, hands-on tasks (Double Doodle Art, Color Transfer Creations)
  • Relationship Skills: Communicating clearly, including without words (Out of My Mind nonverbal challenge, family book club discussion)

Explore the Human Body —...

Regular Price
$124.99
Sale Price
$124.99
Regular Price
Sold Out
Unit Price
per 

The best educational activity kits for kids are hands-on, engaging, and provide a mix of learning and fun. They should include high-quality materials, clear instructions, and opportunities for creativity and critical thinking. Some of the best options include:

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  • Sensory Play Kits – Help develop fine motor skills and encourage exploration through textures and hands-on activities.

Knowledge Crates stand out as one of the best educational activity kits because they combine all of these elements into themed, hands-on learning experiences. Each crate is thoughtfully curated with books, a variety of projects, and all the materials needed—making it a stress-free way for parents to provide enriching activities at home.

Homeschooling can be overwhelming, especially when planning lessons and gathering materials for activities. Knowledge Crates simplify the process by delivering pre-planned, hands-on learning experiences straight to your door. Here's how they make homeschooling easy:

  • All-in-One Convenience – Each crate includes everything needed for activities, eliminating extra shopping trips.
  • Books & Guides Included – Every crate features carefully selected books and a step-by-step guide to walk kids through each lesson.
  • Hands-On Learning – Engaging, screen-free activities help kids learn through play and exploration.
  • Saves Parents Time – No need to search for lesson plans or supplies—everything is ready to go!
  • Variety of Topics – From science and art to geography and life skills, kids get a well-rounded learning experience.

With Knowledge Crates, homeschooling feels less like a chore and more like an adventure! Whether you’re supplementing a curriculum or looking for engaging activities, these kits make learning at home easy, fun, and stress-free.