These days, wheels are even more important because shopping carts are getting larger ... say customers are more likely to claim the cart is too small than too big. Supermarket carts average ...

and it has built both scanning hardware and a payment terminal directly into a shopping cart, reports TechCrunch. It’s even got a small touchscreen designed to help you navigate the store and ...

In a perfect world where carts were handled gently and utilized only indoors, the standard five-inch polyurethane shopping cart wheel could last between six and eight years, said Alvar Diaz ...

The cart is key to an enjoyable shopping experience ... to buy more. Small baskets were the norm back then. Experimenting with a wooden folding chair, a basket and a set of wheels, the design ...