. Amazing design and color. JOYSTAR Unicorn Princess Girl Bike with bright colors, elegant and charming. DIY stickers, beautiful basket and doll bike seat add extra fun to driving. They have an adjustable saddle and stem height for a better fit for ease of pedaling. Complete with a bell that lets everyone know she's on the go. 2. Driving safely. Front hand seat brake and backpedal/foot rear brake provide abundant braking power with added safety, wide 2.125" tires ensure extra stability, sturdy steel frame and crank handle, non-slip resin pedals, closed chain guard, front and rear reflectors and wheel reflectors. 3. Easier to drive! With the JOYSTAR bottom bracket transmission, your little ones drive even more calmly. The brake lever allows small drivers to brake effectively. Removable stabilisers are included. With unique speed, easy for little ones to handle the bike. Soft seat for comfort while driving. 4. Easy to assemble. The bike is 85% assembled. It remains only to mount the front tire, seat and stabilizers. Assembly tools and easy-to-follow instructions are included in the scope of delivery. Adult assembly is required. Bicycles are guaranteed by our limited lifetime warranty. 5. More size options! The 12 inch bike is suitable for 3-4 years old girls(33-41 inch); 14 inch bike is suitable for 3-5 year old girls(35-47 inch); 18 inch bike is suitable for 5-8 year old girls. Use our easy-to-follow size chart to find the perfect size for your little one. Note: Please note the size of the children.