Two-way inertial sliding you can slide with a single push the inertia rubber tire of the rear wheel of the aircraft you can push forward/reverse manually. Each pair is equipped with 6 fun alloy cars different themes with different alloy cars each about 7.5cm. Manufacturered by Alician. 11 sets of urban traffic tips and roadblocks to help children understand some common traffic signs and roadblocks. 40cm large-size aircraft large-size sound and light storage puzzle plane so that children can not put it down.