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Last Updated: Wednesday September 08 2010 09:44 GMT

Tell us about your invention!

Young inventor Sam

Eight-year-old inventor Sam has had his double-headed broom named as one of the UK's top 15 inventions of the last decade.

He was just three years old when he came up with the idea for a broom with two brushes.

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Sam's double-headed broom

It has one that collects the big bits of dirt and one that gets the little bits left behind - so cleaning up is less work!

The broom has even been patented, which means that no one else is allowed to copy the idea.

Now if you watch Newsround then you must be a pretty bright spark, so we want to know - what have YOU invented? Or what invention would you like to see?

This page is now closed. Here are some of the comments your sent in.

Your comments

"I would invent a never-ending ice cream!"

Shannon, 12, Sheffield, England

"A pair of glasses with a tiny video camera in the corner of a lens."

Ella, 7, Ipswich, England

Leah with inventor Trevor Bayliss

Find out what top inventor Trevor Bayliss thinks of YOUR ideas

"If I was to invent something I would invent a hotel/aquarium so the hotel would basically be an aquarium."

Emily, 12, Leeds, England

"If I could invent something I would invent an animal communicator. So if you were lonely or wanted to ask an animal or your pet something you could."

Rachel, 10, Preston, England

"In the passenger seat of cars they should have steering wheels and pedals. So if the person driving is tired, you could just take the key out of the ignition on the right-hand side and put it into the left-hand side, so you wouldn't need to get out of the car."

Emma, 12, Aberdeen, Scotland

"A pencil case that is a robot. When you say 'pencil', a pencil appears. You would never have to worry about leaving your stationery at home. It would come in different styles and colours. There would be a special pen so if didn't know what to write, the pen would write for you and you would get a good grade. It would have a computer fitted inside it so you can search the web for help with your work. It would make life easier because you could just tell it what you want and it would appear."

Anoop, 12, London, England

"I would invent pencils with little phones in them to talk to your friends when you were in class."

Jessica, 10, Essex, England

"I would like to invent a scooter that has a toilet attached to it so you don't have to move to go to the toilet."

Olivia, 8, St Albans, England

"I want to invent a robot who can cook your food and look after you, so then old people don't need to worry about cleaning and cooking, and lots more."

Megan, 10, Carmarthenshire, Wales

"I wish I could have a machine which could do your homework for you!"

Jas, 12, London, England

"I want to invent a new type of computer mouse that fits on your big finger. It's called 'finger mouse'. I have a drawing of my invention."

Grace, 9, Rochdale, England

"My invention is to have a separate road and cars just built for kids under the age of 15."

Georgia, 11, Rotherham, England

"I wish there was a backpack that had a built-in umbrella, and when you pressed a button it popped out over your head!!"

Jenny, 12, Bradford, England

"I think that there should be a switch that turns off all the lights and plugs in the house, so that before you go on holiday you don't have to run upstairs and turn them all off - which takes ages!"

Phoebe, 13, London, England

"If you could make a robot to look just like you so you can stay home while the robot goes off to school."

Maggie, 11, West Sussex, England

"My invention would be petrology. You say which pet you want, and within a minute you get a talking pet!!"

Abinaya, 11, London, England

"I would invent a car where you'd blow into a pipe to see if you were drunk, otherwise the car wouldn't start. That way there won't be car crashes involving people who are drunk."

Bobby, 13, London, England

"I would invent a time machine so I could go back in time and see how the Romans lived, and go forward in time to see what our country will look like!"

Liam, 10, Lanarkshire, Scotland

"I would invent a machine that stopped gravity so that we could all fly about."

Cory, 10, Lanarkshire, Scotland

"I invented a game called Monkeys and Banana. One person is the banana and the others are monkeys. The monkeys must chase the banana."

Jessica, 11, Bolton, England

"I would invent glasses with a micro computer in them. It would be wirelessly connected to a small keyboard and controls or even a iPod app with a keyboard and controls. The glasses would also be able to take photographs! I think this is quite a good idea but we will have to wait for someone to create a tiny microchip!"

Hannah, 13, Stoke-on-Trent, England

"I would invent a wishing machine! You just tell it your wish and it will grant it for you free of charge. It would be available in four colours: Honey Brown, Sea Blue, Dream Pink and Snow White."

Sophie, 12, London, England

"I would invent a robot that chooses clothes for you out of your wardrobe!"

Chantal, 11, London, England

"I wish there could be an invention called a 'Limoinator' - a car that drives you around your house."

Anyi, 8, London, England

"I wish I could invent contact lenses that had a camera in them. When you go out and you see something amazing but realise that you haven't got a camera - these lenses solves the problem."

Francesca, 11, Southampton, England

"My invention would be a table that moves when you sit on in. There would be a steering wheel so you could drive it. You could also hire drivers and have your tea on it."

Evie, 8, County Durham, England

"'The Money Purse' - if you are buying something you just have to say to the purse how much it is, reach into the purse and there's your money!"

Jennifer, 9, Stoke-on-Trent, England

"I came up with the idea of a pair of glasses or sunglasses with a built-in screen. The idea is that you can plug in a music player and you can see what songs are playing, the time and the latest news stories in the corner of the glasses."

Ben, 12, London, England

"I would invent a wishing machine! You say your wish and it is granted for you free of charge!"

Rachel, 11, Luton, England

"My invention would be a pair of glasses with windscreen wipers! So you could still see through them in the rain."

Lucy, 12, Kent, England

"I would love it if somebody invented a robot that could tidy your room. My mum is always telling me to do it."

Hassan, 10, Cheshire, England

"My invention would be a special key that can shrink your car down to finger size, so that if you can't find a parking space you can shrink your car and put it in your pocket or in your handbag."

Katie-Jane, 11, Surrey, England

"I really want a way to listen to music in class without your teachers knowing, so I tried the headphone through the shirt trick. It didn't work so I bought some white headphones, marked them the same colour as my hair, did the shirt trick and got away with it all week!"

Shannai, 13, Cheshire, England

"I would invent a very clever car that uses even less fuel. Watch out for me in the future, guys!!"

Josh, 14, Nottinghamshire, England

"My invention is a nail painter that paints five nails at once. All the user has to do is pick the colour of nail varnish for each brush. It is a quick and easy way to paint your nails and I bet every girl wishes they could have one."

Catherine, 13, Nottingham, England

"Well I think that my invention would be hover shoes. I read that jets are powered by the escaping of gas. So I think that these hover shoes would be attached to a sort of vacuum that pushes air into the shoes, and it would escape from four cup-like shapes at the bottom of each shoe. I personally think this is a good idea, but the only problem is you wouldn't be able to go very far with the vacuum."

Natalie, 11, Oxfordshire, England