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Product review: Kurutoga

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Product review: Kurutoga (Over view) Kurutoga is one of popular mechanical pencil in Japan.  The standerd model costs about 450 yen. The reason Kurutoga is so popular is the epoch-making lead rotation system. You can keep writing sharp letters. (Features) ・Lead rotation system helps us to keep writing without unevenness letters. ・It has various color and design ・0.3 0.5 0.7 mechanical leads (Pros & Cons) (+)Uni alpha gel Kurutoga is confortable to write long time (+)Kurutoga coraborate with Sanrio, Disney, Sesame street and so on (+)Standard model does not cost too much (+)It has special leads for Kurutoga (-)The coating is flaky (-)Standard model is not so confortable to write long time (Rating) I give Kurutoga a score 8/10. Kurutoga is tatally very high quality mechanical pencil and we can write smoothly. If you look for cheap mechanical pencil, you can buy a standard model, but I highly recommend yo...
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My Invention

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My invention: "Napbookcover" (Original Problem & Idea / Solution)  When you study at a library, sometimes you feel sleepy and take a nap. However every time I take a nap, I have a problem. The desk is too hard to sleep! Then I try to put my face on my hand, but everytime I do that, I got hand mark on my face.  To solve this situation, I invent Napbookcover. This product is made by soft material, but it looks like normal book cover, and of course you can use this for protecting your book. When you take a nap only you have to do is push a button on the bookcover. In less than 10 second, the book cover take air in and grow fluffy!                    ↑When it grows, it looks                                ...
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