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. -- Learn about the respiratory track hands on, at home!
These lavender soap bars smell nice and make a practical homemade gift that everyone could use. You could give them alone or as part of a spa gift basket. 100 Days of Homemade Christmas Gifts at The Happy Housewife