Create your own construction themed race track with this toy set. The tracks are flexible enough for your kids to twist, turn, and adjust. They can quickly form different shapes in different sizes as per their playing scenario and space. The package includes 192 track pieces, 2 race cars, 3 small cars, 18 signs, 1 door, 1 slope, 1 crossroad, 1 ball, 4 tires, 1 turntable, 1 tunnel, and 1 crane. This complete set can keep your kids entertained for long. ???? If you want to replace the race cars, please contact us via amazon messages. These tracks are quite simple to assemble as well as dismantle. You can twist the dynamic tracks to both left and right. Its fantastic flexibility allows you to arrange layouts in different variations. The amazing variations in the package help your kids boost their creative skills and imagination power. It is tailor-made in a way to make the playtime more attractive and exciting. This set enhances your kids’ hand-eye coordination and color perception. (AAA batteries are required for the trucks to run. Batteries not included.) This toy set is the best choice as a birthday gift, Christmas gift, or other occasions. Help your kids develop their logical thinking skills and creativity. The whole process of assembling the set can hugely improve their patience and concentration.