1. Easy to put together. 95% of the bike is assembled. Save your headache to install the front wheel and brake compared with 85% bikes. Assembly tools and an easy to follow instructions are included. 2. Unique design. Square tube frame with various fashionable colors. Safe and stable. Front handbrake and coaster brake. Adjustable bicycle handlebar and seat suitable for children of different heights. 3. Easier to Ride. Your little ones will enjoy a smoother ride with Royalbaby sealed bearing since 2019. Royalbaby exclusive brake lever allows little riders brake efficiently. 4. Safe kids bike. Safety grips, soft seat, sturdy steel frame, enclosed chainguard,crank, brakes,non slip resin pedal. 1.2mm bike steel tubes thickness and 2.4wide tires, bikes stronger and more durable. 5. More size options. 12,14,16,18 Inch available, use our easy to follow size chart, youll find a perfect size for your little kids. Note:Please take the kids height into consideration.