Walmart just dropped the price of the Dyson Big Ball vacuum down to $199—that’s $150 off it's sticker price and, by all accounts, a total steal.

Welcome to our Dyson Small Ball Allergy review. In brief, this may well be the best Dyson upright corded vac for smaller homes. Dyson may be all about high-spec cordless vacuum cleaners ...

This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE labs.

The maker has includes its ball technology in cylinder cleaners since the Dyson DC39 last year, and the result is better steering and a tighter turning circle – very useful for small dwellings.