We were prompted to create this idea of the problem of heavy bags and backpacks. Every day, both a schoolboy and a student, and if he just went to the store it's easier to carry a bag using our invention. In the kit comes a backpack with built-in magnets, and a belt with two retractable. The backpack levitates and thus it is much easier to carry weights.
КОНЕЧНО ЕСТЬ ЕЩЕ ВАРИАНТ НАПИСАНИЯ ЭТОГО ЖЕ ТЕКСТВ,НО ЭТОТ ЛУЧШЕ.УДАЧИ