Here are many different ways to do this

In order of physical size, a rose sexual toy has the following parts:A motor (usually in the base) that rotates to create vibrations. This may be done with a ball bearing or other mechanism, but it's basically the same thing as a fan motor or your toothbrush's head.A battery or power cord attachment (some roses have both). There are many different ways to do this—the most common being batteries in their own compartment and/or an external jack for plugging into an outlet. Some roses also come with rechargeable batteries that you can use in place of regular ones for convenience!A switch to turn on and off (this is usually located on one side near the base). The button will have arrows pointing down so you can tell which way it turns when you press it - just like any other electrical appliance!