| 摘要 |
A novel combined rail toy comprises at least two rail units (1) that can be connected together. A sound element (2) and a power supply (3) are disposed in each rail unit (1). A microswitch (4), under the control of which the sound element can obtain a working electric signal, is connected between the sound element (2) and the power supply (3). By means of the proper arrangement of the components such as the rail units (1), the sound elements (2), a delay circuit (2-1), the power supply (3) and the microswitch (4), when a user is playing with the toy, when a toy train travels to a corresponding rail unit, corresponding melody, sound and light display can be provided. |
