305 pieces - High configuration set: High configuration, our construction toys include 272 flexible track components, 2 electric toy cars (requires 1.5 V (not included) AA batteries to start), 4 construction cars (no batteries are needed to work), 3 trees and some other components. A set so highly configured of road engineering toys will definitely surprise your children! Easy to mount: durable and fun. This set of tracks can be distorted, rotate and fold to form the track in an infinite number of different tracks. Children can easily make different variations in the new track design with the 272 largest track pieces, and parents can join fun. The track can be configured in an infinite loop and make new track designs for different variations, providing unlimited fun! Industrial thematic toys: these construction toys for children can not only satisfy the obsession of a child with cars, but also but They can also be a fun decoration. This set of construction roads is also equipped with a miniexcavator, an lift truck, a concrete truck and several traffic signs, which enriches the entire space of the tracks.