Stem kit UGears

The UGEARS STEM Tachometer Model Kit is a creative wooden model kit designed for adults, teens, and children. It includes an engaging wooden building set that allows users to construct a tachometer, a tool used to measure the rotational speed of a motor.

Build a working CVT transmission with this wooden variator kit, featuring precise gear teeth and adjustable linkage that demonstrates smooth torque transfer while offering an engaging hands‑on engineering challenge for all ages.