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Gadget fans have been voting for what they think have been the biggest gadget disasters - and the Sinclair C5 electric trike has topped the list.

Gadget Show Live asked 1,000 tech fans what should be on the list of gadget disasters - some of the inventions just didn't appeal to people, while others seemed a good idea at the time but were overtaken by better tech.

Do you think you could do better? Could you invent something that people would love? Then take part in

1 Sinclair C5

This was an electric tricycle designed to improve commuter travel. It was launched back in 1985 but was laughed at. It could reach a top speed of 15mph but just didn't appeal to people.

2 Rabbit mobiles

An early mobile phone that worked when the user was near a location marked with the Rabbit logo. Only 10,000 were sold. But Rabbit went on to become a rather more successful mobile company - Orange.

3 Betamax video

It was invented as a rival to the VHS video cassette, but it wasn't marketed well so didn't manage to take off.

4 MiniDisc

These small discs were created to replace cassette tapes, but its days were numbered. They were quickly overtaken by recordable CDs.

5 Laserdisc

Discs for home videos, but it was another invention that was quickly overtaken by something better - DVDs.

6 Sega Game Gear

This handheld console didn't manage to compete against the popular Nintendo GameBoy and never really caught on.

7 The Squarial

The name gives you a clue - it's a square-shaped satellite dish. Nice idea perhaps, but wasn't a hit with buyers!

8 E-mailer telephone

This 'superphone' for the office didn't catch on and was overtaken by better tech.

9 Pizza Scissors

Sounds like a genius idea - or maybe not - the spatula/scissor combination to cut a slice of pizza!

10 DAT (digital audio tape)

Â鶹ԼÅÄ recording invention that came before the MiniDisc, but like that it didn't catch on.