UGears STEM LAB Tachometer

A tachometer is a device designed to measure the rotational speed of various parts in engines and other mechanisms. It calculates revolutions per minute (RPM). The tachometer also measures and monitors load limits, in order to decrease or increase RPM so that the engine or mechanism runs within its optimal parameters. Age - 8yrs+  Keep away from children under 3 yrs. Self-Assembly without glue. Number of components:  117 Approx. time of assembly: 2.5 hours Made in Ukraine Model size: 9.4*4.1*4.8 in (24*10.3*12.3 cm)Package size: 8.1*7.4*2.5 in (20.5*18.8*6.3 cm)