Sign up for
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
We all have experienced congestion in the supermarket, because almost all the consumers "drive" big shopping carts walking in a limited space. "Zooming" is an adjustable shopping carts that is able to be enlarged and diminished.
The advantages of this design are as follows:
1. Relieve the crowding in supermarkets. Some people do not have to use big shopping carts when they buy a small amount of items.
2. Save transporting cost.Since the carts can be smaller.
3. Economize. Smaller sized mode can prevent people buying things endlessly.
Kang Yuan, He Siqian, Zhang Xi