It is quick and easy to assemble. This blue and white single-speed girls' bike goes together in just four easy steps. Insert the training wheels, then the handlebar and fork, fold down the pedals and attach the seat. Then connect the sleigh doll carrier with a Phillips screwdriver, and it's ready. Before you know it, your child is riding on sidewalks with her favorite tiny companion (not included). Elsa, Anna and Olaf are featured in the graphics on the steel frame, translucent chainguard and crossbar pad of this single-speed girls' bike. It is suitable for beginning riders. There is also an alloy quick-release lever that makes it easy to adjust to the right height.