Blast off!!
How about designing and printing your own rocket.... a real one that flies! Ok so this project is about using sodium bicarbonate (baking soda) and vinegar to produce CO2 to power a model.
http://www.bitsfrombytes.com/wiki/index.php?title=Blast_Off
Thanks to "tastybento" for the use of his idea and designs on Thingiverse for this project
Dave
