you can get related material in here: copper sulfate: http://amzn.to/2FmkcJ4 250ml beaker: https://goo.gl/vnqWAJ Copper Sulfate is one of the easiest and beautiful crystal which we can grow. DIY Crystal at Home (1) Alum https://www.youtube.com/watch?v=-DUDhkw3AF4 More videos about crystal growing will be uploaded soon Facebook: https://www.facebook.com/DIYbama-368512726671270/ #science #scienceproject #diy #crystals #crystals #chemical #chemicalreaction #gems