Horizon Group Discovery Glowing Bubble Light

Scientific principles: explore and demonstrate the basic scientific principles of density, polarity and effervescence in a fun, hands-on way. Explore: 7 different experiments are included to get started! Experiment again & again: utilize various household oils to see how their reactions differ, test hypotheses and make observations! LED light: never worry about overheating with the LED light. Batteries not included. Age range: 12 years & up