Ballbarrow
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The ballbarrow was a type of wheelbarrow designed by James Dyson and released in 1974 in the United Kingdom. It used a ball instead of a wheel and had several benefits in that the ball did not dig into the ground like a wheel, steering was much easier and the plastic hopper was easier to clean than the galvanized alternatives. The original version did, however have a galvanized steel hopper, and this made it easier to mix cement and other mixtures in it. The plastic version was never as robust , and therefore not as popular as the original version, and subsequently, Dyson sold the manufacturing rights to an American company, who never pursued manufacturing the product.
