Astro Boy Puppy Patrol Set Metro City Police Car

This is a very unique Astro Boy puppy car, insert the battery from the top of Astro Boy head, Astro Boy pops inside the car, off he goes, the car travels by itself automatically detects an edge, always travels within a platform boundary, never smash into a wall or fall off an edge, click images below to get a bigger picture, puppy car size is 140mm in length, overall height of Astro Boy is 50mm.