If you're looking for an extraordinary toy, you've found one! The Stirling Engine Toy is unique, fascinating, and fun! It provides excitement and education for both you and your child. You'll love exploring this toy and its many uses.

FEATURES:

• EASY TO USE: Simply take it out of the box and fill the lamp with 95% alcohol to heat the glass cylinder; then, after warming up for a few 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. Super easy!
• WIDE APPLICATION: Exhibits the basic principle of external combustion engines. Perfect for kids' science projects, physics/mechanics education, and encouraging kids to explore science. A great gift for folks of all ages!
• WORKING MODEL MADE WITH HIGH-QUALITY MATERIALS: This toy has a brushed aluminum base with 4 rubber pads to ensure its stability when in use; sandblasting aluminum stand cut by CNC router works well as a solid bridge between the cylinder and the flywheel; stainless steel bearing rod cut by laser cutter is of an ultra-high precision size; aluminum alloy flywheel has a brighter and smoother surface than other models; customized thickened quartz glass as cylinder, durable and safe!
• MAKES A GREAT GIFT: Stylish and fun to look at and explore. The engine is primarily constructed by metal that is heavy enough to rotate quietly and stably at a speed of around 2300 RPM! Everyone will love getting this engine as a gift.

SPECIFICATIONS:

• Status: Assembled.
• Speed: 2200-2400 RPM.
• Material: Aluminum, Stainless steel, Glass.
• Dimensions: 6.10x3.15x3.54in(L/W/H).
• Size of flywheel: 1.97x0.37in(Diameter/Thickness)
• Stroke of power piston: 0.59in
• Net Weight: 1.00lb

PACKAGE INCLUDES:

• 1 x Stirling Engine Toy
• 1 x User manual