Abstract: A ring type stunt toy device including a ring structure, two fixing blocks, a base and a wheeled toy wherein the ring structure has two metal rings which can be attracted by magnet at its inner circumference, two supports at its external circumference with column projections to insert into the recessions of the column member ends of the fixing blocks respectively so that the ring structure can rotate between the supports and the wheeled toy has a wheel like covers with a wheelbase slightly wider than the width of the ring structure so that it can be placed across the ring structure and while the right and left conductive wheels are contacting the metal rings, the motor in the wheeled toy rotate and drive the wheeled toy for forward movement and due to the weight of the wheeled toy, the ring structure rotate simultaneously.

Abstract: A simultaneous following device for driver and follower in a toy car which transmit the kinetic energy generated by a drive via an eccentric wheel and link and double bar-oscillating arm so that the two bars of the double bar-oscillating arm are swinging and thus to drive the spindles of the steering wheel and the follower for rotation in normal/reverse direction at a small degree so that the steering wheel and the follower are swung simultaneously to show the driving operation of the driver and the action of the follower.