Key features

• •★EASY OPERATION: it's ready to run. All you have to do is to take it out of the box and fill the lamp with 95% alcohol to heat the glass cylinder; then, after warming up for seconds, give the flywheel a spin and it will rotate rapidly and smoothly. It will light up the color-changing LED bulb mounted on the little generator. Just within 5 minutes, people around the machine will be surprised and wonder how it works. A great desktop toy, TONS OF FUN!
• •★WIDE APPLICATIONS: It's a vivid model displaying basic principle of external combustion engines. People bought it for kids' science project, physics/mechanics learning, etc., enlightening them to explore more scientific knowledge. This engine is also a well-designed and crafted mechanical toy suitable for people of all ages from all works of life. It will definitely be a fantastic gift for those you love and SELDOM will our machine fail to cheer them up!
• •★LIGHT UP MULTICOLOR LED: equip 12.5mm big power cylinder with 15mm stroke power piston, this powerful engine will light up the colorful LED on the generator. Electricity generated can be used to power other devices as well. As we get used to observe the whole working process in a bright place, so you may not see the light clearly. But if trying to get this engine model going in a dark room, you'll be totally fascinated with the LED shining with a wide range of color in the darkness.
• •★A WORKING MODEL WITH EXCELLENT TECHNIQUE: brushed aluminum base with 4 rubber pads ensures its stability while working; sandblasting aluminum stand cut by CNC router works well as a solid bridge between cylinder & flywheel; stainless steel bearing rod cut by laser cutter is of an ultra-high precision size; aluminum alloy flywheel has a brighter & smoother surface after the finish turning process; use customized thickened quartz glass as cylinder, durable and safe enough to use for a long time.
• •★GREAT GIFT FOR EVERYONE: with visual texture and aesthetic appearance, it's simply a piece of art. Our customers are satisfied with its strongly stable structure and exquisite body. This engine is mainly constructed by metal, HEAVY enough to rotate quietly and stably at a speed of around 2300 RPM! Frankly speaking, you'll not feel regretful on purchasing of this one. If you do: all DjuiinoStar products come with 30-Day Unconditional Money Back Warranty and 1 Year 100% Satisfaction Guarantee!