Starting early is the key to teaching young ones the joys of bicycle life, and there's no better way to do so than with our JOYSTAR Kids Bike. The goal is to bring joy to the young generations and hope they are growing with love and care. This bike is fit for boys & girls 3-9 years old. Every bike comes with unique serial number on the frame to track the quality information, the sturdy bike frame gets through rocky and bumpy terrain. Front Caliper Brake and rear coaster brake. 85% assembled body and easy to install.