New professional derivable Meshes that make the most real virtual world Animated Helicopter with 5 path sizes compatible with various rooms Fly1 - Course with a diameter of 150 m (492 ') Fly2 - Course with a diameter of 200 m (656 ') Fly3 - Course with a diameter of 300 m (984 ') Fly4 - Course with a diameter of 400 m (1.312 ') Fly5 - Course with a diameter of 500 m (1640 ')