So if your kid's electric ride-on car has a broken power button, this SHENGLE start switch is exactly what you need. It's a direct replacement part that installs right into the car's wiring harness - super straightforward if you're even slightly handy. The switch itself measures about 1.02 inches across, so it fits perfectly in most children's riding toys. Just make sure it works with your specific model before ordering. You get one switch in the package, and installation is pretty simple - just connect it to the existing wires where the old button was. It's crazy how such a small part can bring a expensive toy back to life, right? Your little one will be thrilled when their car starts working again. Much cheaper than buying a whole new ride-on car! The quality seems good - it feels sturdy enough to handle those enthusiastic little fingers pressing it over and over. Definitely a lifesaver for parents dealing with broken toy cars.