Observe carefully which objects in your life or study can be improved, choose one of them and point out its shortcomings.

"I invented a new type of pencil sharpener"

I want to invent a pencil sharpener, so that students do not have to worry about cutting their hands when sharpening pencils, or because they forgot to sharpen their pencils the day before they could not write their homework, and they will not be able to pour pencil shavings on the outside of the pencil when they are sharpening with a pencil sharpener. ...... As long as there are such pencil sharpeners, a lot of problems will be solved.

This is a great way to get the most out of your homework.

This pencil sharpener is made of nano environmental protection material shell, so it will not leak a little pencil end. It also has a solar-powered rechargeable battery inside, which recharges automatically.

This pencil sharpener also has voice prompts, whenever you finish your homework, it will make a pleasant sound to prompt you to sharpen your pencil. Insert the pencil into the pencil hole, then the pencil sharpener automatically started to mobilize the previous stored energy to make the blade quickly turned up. In less than a minute the pencil was sharpened.

Look! This is my invention pencil sharpener, once invented will be loved by everyone.