• Zinc Alloy Aluminum
• 💎【Elegant Dual-Cylinder Design – Durable and Striking】Features two heating cylinders and a luminous bulb, all mounted on a sleek aluminum base with a built-in groove for securing the alcohol lamp. The full-metal build offers excellent texture, modern appeal, and outstanding durability.
• ⚙️【Fully Assembled – Display or Hands-On Use】Arrives ready to use! Perfect as a collectible desktop decor piece or a fully functional model for classroom demos, experiments, or STEM learning at home. No complicated assembly required.
• 🔥【Real Working Engine – Fueled by 95% Alcohol (Not Included)】Generates power through dry air expansion. For safety and performance, use only 95% alcohol—do not use water, kerosene, gasoline, lighter fluid, liquor, or candles.
• 🛠️【Important Setup Tips – Protect Your Model】Gently rotate the piston when adjusting, and avoid removing the two connecting rods outward. Proper handling ensures smooth, long-term operation and protects your engine from damage.
• 📘【Learn by Doing – Spark Scientific Curiosity】A fantastic tool for hands-on learning. Watch the engine run and generate power, and gain a visual understanding of heat expansion and motion—just like the principles taught in middle school physics. Suitable for ages 16 . Adult supervision recommended to avoid burns.