This craft stick harmonica is fun to play, and you can adjust the pitch by moving the straws! It's a neat project, and a good one to make with a group because the materials are very inexpensive. You can fit in a little science learning too - see the bottom of the post for ways to turn this into a true science experiment. I saw this project idea on Filth Wizardry, and I knew the boys would love it. They did - it has been a huge hit! Gresham made more of them today so that everyone has their o
