Mechanical Gears for Experiments

Description

A set of two perfect gears for exploring principles of mechanics and design. Ideal for those who want to understand how gears work in simple systems and test interactions. Some products allow making multiple units without increasing the price; please send a message. The price is not negotiable! I only sell in person in the Barreiro area and surroundings. I can ship by mail, but only with advance payment via MBWay, and shipping costs are borne by the buyer. #gears #mechanics #diy #educational #engineering #science #project #tools #learning #gadget