Smart protective backpack / protective backpack

It is a hard shell backpack that can be waterproof and dustproof, styling from the front looks like a rocket that can be liked by children.
Backpack interior space is large, easy to carry a large number of things.
When children walk alone on the road, through the satellite positioning function of the backpack, so that the family can control the current position of the child, and the internal solar power function, through the USB cable, 3C products can be recharged at any time. At night, the backpack has lighting function, at night, it is safer to see what is around it.