Create and explore bubbles like never before with the Mad Science Bubble Experiment Lab Create square bubbles, bubbles inside of bubbles, smoke-filled bubbles and more Battery-powered fan and kid-safe smoke generator take bubble creation to the next level Lab includes accessories, test tubes, Super Bubble Solution and Liquid Smoke Mad Science introduces children to Science and Discovery while sparking their imagination. Mad Science encourages science literacy in children and lays a foundation for future success., Recommended age group: 5 - 10 years, Manufacturer: Manley