High-end Material - Made of high-end durable material, the heat-resistant glass cylinder looks exquisite and beautiful. Simple to Operate - It utilizes an alcohol lamp filled with 95 percent alcohol to heat the piston tube, and the dry combustion air expands to create the power to spin the flywheel rapidly, thus igniting the lamp. Specialized Equipment - In addition to the stereo engine, it comes with an alcohol lamp, a large 5V 5W bulb, glass tubes, replacement canisters and a fan to make it even more fun. Wide Application - Can be widely used for children's science projects, physics learning, teacher's demonstration props, birthday gifts for friends, family and children, etc. Easy to Install - The expansion of dry combustion air creates the power to spin the flywheel rapidly, which ignites the lamp. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.