Nearly all of us use them every week, and they can be found in car parks up and down the country.
Rob Pittam struggles to find a pound coin
But where does the humble shopping trolley start its life?
Rob headed to Wells in Somerset to one of the area's biggest employers, Clares Retail Services, who have been manufacturing trolleys for 40 years.
With a site staff of 120, the company has captured 45% of its home market, but also makes all sorts of trolleys for export all round the world.
The firm says it plans to keep manufacturing in the UK by investing in robotics and continuing to innovate in product design.
It hopes these measures will help it to remain a shining example of successful West Country engineering.
Watch Rob's film...
VIDEO: Trolley Good