These are battery-operated toy bikes styled like a sportbike (sometimes styled after Yamaha R15), suitable for kids aged roughly 2–9 years depending on model:

🔋 R15 Kids Electric Ride-On Motorcycle (12V)

• Sporty R15-inspired design with LED lights, music & rechargeable battery.

• Usually includes forward/backward drive and a hand accelerator for realistic riding.

• Recommended for kids approx 3–8 years (some listings mention up to ~15 yrs depending on size & weight).

• Max weight capacity often around 50–55 kg, so it fits older/larger kids too. Toyhouse+1

✔ Good choice if you want a big battery electric bike with sporty styling for outdoor/indoor use.
⚠️ Not an actual Yamaha motorcycle — purely a ride-on toy.

📌 Typical Features

• Rechargeable 12V battery

• LED headlights & tail lights

• Music/MP3/USB player (varies by model)

• Hand accelerator and sometimes remote control

• Stable design for confident riding