" Benefits Unbreakable A backup compass! With 1 ruler and 2 pencils, you can draw a circle of a radius up to 10 cm !
A backup compass! With 1 ruler and 2 pencils, you can draw a circle of a radius up to 10 cm !A backup compass! With 1 ruler and 2 pencils, you can draw a circle of a radius up to 10 cm !