This is a guest post from my husband, Craig, whose boyhood dream is to be an astronaut. With a pair of two liter bottles, a few backpack straps and some screws – you can build your child a do-it-yourself Mentos and Diet-Coke working jetpack.  I would advise doing this in an open field otherwise you will be retrieving your child from the neighbor’s roof. Conversely, here are the directions on how to build a pretend rocket backpack for … Read entire article »