Product Description Specifications 10cm ruler with built-in solar calculator and magnifying glass. In bright colours. Metric system in centimeters/inches Indicator of angle in curved part.Presented in an individual box Materials: Plastic Features: 10cm ruler with built-in solar calculator and magnifying glass In bright colours Metric system in centimeters/inches Indicator of angle in curved part Presented in an individual box Decoration Position: Between the screen and the solar cell Print Size: 2 x 1 cm