3 In 1 Transparent Mini Solar Calculator

It's a transparent solar calculator with an eight-digit display, Simple, light and portable, ideal for students and offices. It is very small, cute and easy to carry. Not only is it a ruler but also is a calculator, and it also has a magnifying glass. The fully transparent display makes it tasteful and very interesting. Since it is powered by solar energy, you can use this calculator whether you are indoors or outdoors, which is not only completely economical but also very convenient. New energy replacement, solar energy slowly into our life, its wide use and no consumption by many people recognized. And it's absolutely an excellent gift choice for promotion gift /graduation present!