1. plastic tubing
                                                            2. copper tubing
                                                            3. rubber stopper / cork
                                                            4. glass bottle
                                                            5. water bucket
                                                            6. sodium hydroxide (sold as Caustic Soda, drain cleaner)
                                                            7. aluminum foil
                                                            8. plastic bottle
                                                            9. grommet or rubber seal
                                                           10. bubble solution
                                                                    10 parts distilled water
                                                                    1 part Dawn liquid dish soap
                                                                    1/10 part Karo corn sugar syrup