Learn how to make a breathing machine from the author of Maker Lab, Jack Challoner. This easy experiment uses household items to construct model lungs and show how some vital parts of the body work.
3-d geometry. Vertices = marshmallows. Edges = toothpicks. I've tried this before..kids love it but I put all materials into individual baggies before hand to avoid any problems which took a lot of time but made the activity go smoother
Great way to teach the layers of the earth; could use the same concept for teaching layers of the sun.