4M Weather Science Kit allows you to explore the water cycle and global warming, create clouds, experiment with acid rain and much more. Detailed instructions included. Award winning Green Science Kits introduce kids to green concepts such as repurposing, upcycling and alternative energy. Here is a list of some of the household items not included in the kit that you will need to complete the experiments: a glass, potting soil, some beans, a pencil and a plastic bottle. Cloud Maker experiment requires a liquid containing alcohol (such as cooking wine or brandy). Adult supervision required.