Strange gadgets

A foldable, naturally antibacterial straw that fixes the problems of soggy paper straws.

A chandelier with living algae leaves that purify the room's air, rated four out of ten.

Misjudged how people read newspapers, earning a mild 2 out of 10 on his fail scale.

A $200 device that only ran Twitter, and badly, scoring 7 out of 10 for sheer stupidity.

A crowdfunded colour-scanning pen that looks faked and still has no retail product after ten years.

A crowdfunded laser razor whose prototype could burn only one hair at a time, rated 6 out of 10.

Temple-less sunglasses held on by magnets glued to the face, rated 3 out of 10 as a fail.

A silly, unwieldy 44-inch pencil that is fun but hard to use.

A giant lighter that did not work, producing only smoke.

A full Android watch on the wrist is a fun novelty, but it is huge and makes the wrist sore.

An obscenely large toothbrush that he tried with disclosing tablets, and it was a painful, silly experience.

His favourite chocolate scaled up to 4.5kg with exactly the same quality, and the inspiration for the video.

A giant glass bulb with a small bulb hidden inside, which took a 25 minute unboxing and felt anticlimactic.

The largest edible gaming PC in the world turned out to be an impressive and delicious cake.

A custom 100-inch Switch with mounted Joy-Cons that is not playable but he loves it.

Swinging the tray with four hot teas did not spill a drop.

Impressive laser engraver that etched his phone case straight from an app, though clearly dangerous.

Speaker shower head he thought was a poor idea, with a weak magnet and an incident that scarred him.

Paper plane with app-controlled propellers that took 15 minutes to build and was hard to control, ending with a lost plane.

A plasticky, hollow hand with immovable fingers that left him unimpressed.

Shoes that widen to stop you falling look useful but the project seems to have missed its funding target.

Used as a running gag, tested on a banana; no clear verdict given.

Simply chopped circuit boards, but he is a sucker for them.

Works at cooling but is too loud for serious use; he'd take it on holiday.