Keep your little ones creatively engaged with this Cool Reactions chemistry kit by National Geographic. The kit contains a variety of contents needed to experiment.Details: 12 kitsCreate fizzy and color changing creationsHide and reveal messagesFor ages 8 and upContents:4 pieces of pH paper3 cotton balls3 experiment cups2 measuring scoopsSodium bicarbonateCitric acidRed cabbage powderSpray bottlePipetteColorless crayonExperiment guide