Firstly, you need to get the materials that you need to do the expirement. Starting with Potassium or Sodium. You can buy both of these, but you can also make Potassium. You can learn how to do that here. Secondly, you will need diethyl (ethyl) ether. You will need to buy that but it is worth it. You also need water which is easily attainable, and Sodium if you want to compare results.
- Diethyl Ether
- Sodium (optional)