Kitchen

Works as claimed, keeping a drink fizzy after three days in the fridge.

Keeps cereal and milk separate, but the milk comes out easier than the cereal so it does not work well.

Rarely gives perfect slices in reality, though it may save a little time; 6 out of 10.

Chills a can colder than a fridge in two minutes, but a fridge is still the sensible choice for most; scored 7.

A simple stirrer that mixes soups and curries well, but struggles with dense dishes like risotto.

A set-and-forget heated mug that keeps his tea at the right temperature and helps his productivity.

His number ten pick, a hands-free bin that keeps things tidy and makes recycling easier.

A premium steel bottle with scent-based flavour pods that gets him drinking more water, though it will not turn water into juice.

Star Wars sandwich maker that left a Darth Vader imprint, and the result tasted pretty good.

Looks the part and uses hot air instead of oil, but he joked that the Death Star was dead after trying it.

Too weak to whip double cream.

34 models shook so violently that their tops flew off, leading to a recall of millions of units.

His number one pick, a sink-mounted glass rinser that cleans glasses very quickly once installed.

A sponge on a refillable handle that he calls the most handy product of his university life.

Scent rings trick the brain into tasting flavour in plain water and it works despite knowing the trick, rated 8 out of 10.

Pellet pizza oven that cooked a pizza in about a minute and tasted better than an ordinary oven pizza.

Surprisingly functional for eight dollars, though it looked close to exploding.

Kept tea warmer than a plain mug but clearly behind the Ember mug.

Strong, oven-safe plates made from wheat bran that you can eat afterwards; he calls them god tier.

Plant-based bacon that he cooked and found really smoky and meaty, just like bacon.

A vacuum-sealed cooker that is five times more energy efficient than a barbecue and can cook using only sunlight.

Surprisingly effective at compressing rubbish, roughly doubling bin capacity, and he scores it 5 out of 10.

Ridiculous but really good temperature-controlled mug, though it could do with fewer features and a lower price.

A 700 dollar juicer that was unnecessary since squeezing the sachets by hand worked just as well.