Using high-precision 3D printing technology, all blades can be rotated under electric drive. The material is PLA, the base adopts a push rod design, the speed can be adjusted, and it has cool lights. Type:Tr-900 aero-engine model Colour:As Shown Material:Plastic Package Contents: 1 * Turbofan Engine Fan Model Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.