Rock Candy Crystal Growing Kit Pure Sucrose Sugar A Scientific Experiment You Can Eat! Have fun and learn by growing your own rock candy crystals. Educational study guide and experiment instructions inside. Contains enough material to perform one crystal growing experiment. You can see these rock candy crystals grow to full size in about 7 days. The experiement includes pure sucrose for growing clear, pristine crystals. pure sucrose is not something you can find in grocery stores. The study guide will explain what crystals are, what makes crystals grow, what a super-saturated solution is, and why crystals are important to us, and much more. More experiments can be performed using regular table sugar but the crystals will not be near as clear or well-defined as with pure sucrose. Included in this Kit: -Pure Sucrose -5 Seeded sticks -growing vessel and lid -educational study guide and experiment instructions Ingredients: pure sucrose, egg whites Thinks you will need: 1-qt saucepan Spatula Measuring Cup Stovetop Adult Supervision Required. Ages 9 and up.