- Muscle Machine
(Ages 9-16)
This mechanical muscle machine models how your bicep and tricep muscles make your arm move. By linking levers together, you can create a complex motion and get pumped!
Download the printable here.
- Pumping Heart
(Ages 9-16)
Curious about how your heart pumps blood? Use this model to learn about the right atrium and ventricle!
Discover more about the science of pressure with a Bottle Rocket kit from the KiwiCo Store! Assemble a launcher, rocket, funnel, and launch mixture to experience some extremely fizzy fun.
- Lung Model
(Ages 7-16)
Breathe in. Breathe out. Do you feel your chest expand and shrink when you breathe? That change in size is how you get air into your lungs! It all has to do with the physics of air pressure, which you’ll investigate in this project.
Want to explore anatomy without the hassle of gathering materials? Dive into learning with a Vet Starter Kit from the KiwiCo Store!
- What Soda Does to Teeth
(Ages 5-11)
Why is soda bad for your teeth? My kids keep asking why they can't have more soda. The tooth fairy was kind enough to lend us some baby teeth for us to experiment with, and we got some very interesting results.

4 DIY Experiments to Learn About the Body
How do muscles make our arms move? How do hearts circulate our blood? Why can't we drink delicious, sugary soda all day, every day? This short, sweet list of DIY anatomy experiments will answer all those questions and more! Whether your child's an aspiring heart surgeon, or just curious about the way their body works, these activities make anatomy easy to grasp and are perfect for curious kids ages 7-10!