Using this National Geographic chemistry kit is easy. First, read the detailed experiment guide carefully before starting any experiment. Gather all the materials needed as listed in the guide. Then, follow the step - by - step instructions to conduct the five amazing experiments, like making messages appear and creating fizzy reactions. When handling chemicals, be careful not to spill them. Keep them away from your eyes and mouth. After each experiment, clean all the tools and containers thoroughly with water. Store the kit in a cool and dry place to maintain the quality of the chemicals and tools. Have fun exploring the world of chemistry with this kit!