I {Kayla} had to giggle when, perusing the fantastic activities over at Preschool Powol Packets, I ran across this science experiment and read Carla's introduction... "My daughter has been requesting science experiments that explode, sparkle, and use fire!" How cute is that? I can just imagine the gusto with which this was said! Well, Carla didn't disappoint. This 'sparkly explosion' - a simple baking soda and vinegar reaction with some fun additions - is sure to grab your kiddos attention as...