Weird & wonderful

Fun, creative Etsy bath bombs; the iPhone ones were the perfect Etsy product.

Spy-like headset with phenomenal focusing distance and built-in lights, probably designed for inspecting jewellery.

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

Motorised skates that fit over shoes; old tech but the coolest looking, rated 7 out of 10.

Cleans the whole mouth in 10 seconds; he likes the concept but execution is not there yet, rated 6 out of 10.

Clever idea for private conversations, but he scores it only 2 out of 10 on the heat scale.

Versatile modular robot that teaches kids to code, rated 7 out of 10.

A childhood-dream product for a former chess player: a robotic board that moves pieces for online games, rated 7 out of 10.

Toe-controlled extra thumb that comes to feel natural, slightly terrifying but incredibly cool, rated 9 out of 10.

Watercress injected with luciferase to glow, a sustainable light source, rated 9 out of 10.

It worked technically, but nobody needed computer smells, so 3 out of 10 fail.

A car key lookalike that records audio within a seven metre radius, with its controls hidden under a sticker.

A voice-activated teddy bear with a microphone stitched into its neck, which looks completely innocent.

A working Bluetooth speaker with a hidden live-stream camera, switched on using a mode switch marked V.

An air freshener that still works as one but hides a pinhole camera triggered by motion or a magnet.

Glasses that record 1080p first-person video with the camera tinted to blend into the frame.

A basic radio wave detector that spikes as you approach a hidden camera, useful for being sure.

Shows how a tiny keylogger between keyboard and computer can silently capture passwords and bank details.

A pile of metal poles and plastic sold as a 5G fighter, which he says will not solve anyone's problems.

One of the pseudo-science products in the same scam range, with no real effect.

A stick of plastic that he thinks is among the simplest, cheapest products ever made, yet sold at extortionate prices.

Historic orgone-style pendant whose circuit board was not actually connected to anything, with a disclaimer slip added later.

Another product from the scam range, claimed to be 100% effective against 5G with nothing to back it up.

Calls it a scam: a block of resin with a plug and nothing inside, sold for $180 on fake science.