Abstract: A toy plane with adjustable track of this practical new type consists of the airframe and wings made of light material such as physically cross-linked polystyrene foam. The characteristics are as follow: on the back-end extension surface of the airfoils, there is an empennage connecting with the back-end of the airfoils, and there are controls on the angle between the empennage and the airfoils. There is a flank vertical to the airfoil on the back-end of the upper surface of the airfoil, whose forepart is fastened at the airfoil. Also there are controls on the flank's swing on the upper surface of the airfoil. And there is a pothook at the forepart of the airframe. This practical new type is made by light material, which can realize the flight with the principle of spring. That is to say, put the pothook of the elastic and pull towards the back, after you loosen the elastic, the plane will fly away under the effect of elasticity.

Abstract: A decorative antenna for automobile emitting light when the automobile is moving comprises a case, a luminotron connected with leads and a mini wind-driven generator. The case may be formed as a toy such as a helicopter. The case is provided with a transparent window thereon and a mounting hole matching the automobile antenna. When the automobile is moving, the mini wind-driven generator generates electricity and supplies power to the luminotron, thus actuating the luminotron to emit light and function as an ornament. A wireless receiver and a rechargeable battery are provided in the case, a remote controller is further provided. The mini wind-driven generator charges the rechargeable battery and supplies the power to the luminotron, the rechargeable battery supplies power to the receiver connected to the luminotron. The luminotron is actuated to emit flash light when the wireless receiver receives signals sent from the remote controller by the automobile owner.