| 摘要 |
A toy gearing system comprising a drive unit and at least one gear unit. The drive unit comprises a body, a gearwheel supported by the body and having at least some of its teeth exposed for gear engagement, an electric motor for rotating the gearwheel and drive transmission apparatus provided between the motor and the gearwheel. The gear unit comprises a body and a gearwheel supported by the body for rotation by the gearwheel of the drive unit. The bodies are provided with respective self-attaching apparatus for attaching the drive and gear units onto a flat surface at any desired positions which are not predetermined, with the gearwheels in gear engagement for simultaneous rotation. |
