100% brand new and high quality 1. Made from high-quality materials and designed for lasting performance. 2. Easy to operate,compact and portable,making your experience more wonderful.Easy to carry to everywhere you want to go.3. Fill the alcohol burner with your 95% alcohol (we recommend this fuel) and light it. Let the light burn the round ended cylinder for about 60-120 seconds, then give the wheel a gently push, it will run like a charm.4. It has a wide range of application as, perfect gift for kids to improve children's eyes and curiosity, Physical/mechanical learning, teacher's Demo props on the class, birthday gift for friends, families, parents, kids, etc. 5. It's really interesting and imaginative toy. Art design,gift packaging design,low price,strong power,exquisite workmanship,safer. Material: MetalColor: As picture shownSzie: Approx. 15x7cm/5.90x2.75inWeight: Approx.480g Note:1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes:1 Piece Stirling Engine Experiment Model1 Piece Alcohol Lamp (NOT INCLUDE ALCOHOL)1 Piece Instruction ManualOnly the above package content, other products are not included.