FenglinTech Stirling Engine L4 4 Cylinder Full Metal Car Assembly Kit Model Toys for Adults

Unassembled Engine Kit : Included 325Pcs in total. You can assemble it and enjoy the fun it brings. It takes more than 4 hours and the difficulty level is 4.5 stars. High Craftsmanship : The product uses metal material CNC technology precision casting aluminum alloy oxidation coloring looks really a piece of art. Manufactured by FenglinTech. Best Choice as a Gift: Birthday or Christmas and other festivals ideal gift for yourself friends kids colleagues or family members. Minimum Manufacturer Age Recommended: 8 Years Old. Power: In order to make the product easy to operate and no harm to the product use electric motor instead of traditional gasoline lithium battery capacity 500MAH running at full power for no less than 30 minutes