guide, self rechargeable safety light by vandenbussche gregoire from france

Have you ever be searching in the night for coins?, be lost on a map because it’s dark or looking for something you make falling on a festival ?
“Guide” is a self rechargeable light that is really cheap, but which is really useful.
You can buy it, or you can have it like a gift from advertising. You can trade it for something else, use it like a money, or hang it on you key ring so you will not lost yours keys anymore, or on a neck lace, so yours friends will recognize you in the dark!
Feel free to find any other utility!!