Ugears Curvimeter STEM LAB ★Mechanical 3D Puzzle Kit Model Toys Gift Present Birthday Xmas Christmas Kids Adults Harry Potter™ Collection 02 lbs or 462 gram

02 lbs or 462 gram

To build your Indie Moto 2

loamy earth

Immerse yourself in Augmented Reality (AR)

Ugears Curvimeter STEM LAB ★Mechanical 3D Puzzle Kit Model Toys Gift Present Birthday Xmas Christmas Kids Adults Harry Potter™ Collection 02 lbs or 462 gramThe Curvimeter or opisometer is a device that measures the length of curved lines and helps to calculate the distance between the points on a map more precisely than a ruler or a compass. The mechanism has a measuring wheel, a clock face, and a hand. When the wheel moves along the line on a map that you need to measure, the hand moves around the clock face marked with measuring units centimeters, inches, etc. All you need to do in the end is to check