saving cart by saehee lee from korea

The cart uses the movement of the human as the power.
By using the Saving Cart, the energy is gathering during the period of shopping and it is using this energy in the discount store through gathering this energy in one place.
Points are provided to the consumers in the amount of the gathered energy and the consumer is abled to received discount with those points.
With the system, the discount store the advantages of increasing its profits by extending the shopping time of its consumers as well as recycling the gathered energy and with the consumers receiving discounts through the point system, mutual benefits can occur.