Scientific Explorer: Bubble Gum Factory. This exceptional series of home science kits is based on the nationally recognized Great Explorations in Math and Science (GEMS) program pioneered at UC Berkley's Lawrence Hall of Science. Acclaimed for excellence as a teaching resource. Learn the science behind Bubble Gum. Make more than eight different recipes and gobs of bubble gum! This package contains 9oz/255g confectioners sugar, 2oz/56ml corn syrup, 0.5oz/14g citric acid, 0.5oz/14g mint flavoring, 0.5oz/14ml watermelon flavoring, 5oz/175g gum base, two note cards, one plastic tin with a lid, and instructions with an activity guide. Recommended for children ages 8 and up. Imported.