75 Types of Gears – Versatile Set for Motion and Power Transmission

Variety of Spur, Bevel, Worm Gears and Racks for Your Mechanisms

This 75-piece gear pack includes a wide assortment of plastic gears, pulleys, belts, racks and related components designed for building mechanical transmissions, gearboxes and motion systems for robotics, models, DIY builds and educational experiments. It provides a versatile set of elements to explore gear mechanics and power transmission.

 Key Features

• Total Pieces: 75 assorted components – including gears, pulleys and accessories.

• Variety of Gear Types: Includes spur gears, crown gears, worm gears, racks, pulleys and more.

• Various Sizes: Parts come in multiple sizes to suit different needs.

• Materials: Plastic (gears/pulleys) and rubber (belts) for lightweight and easy assembly.

• Easy to Use: Can be combined with motors, axles and chassis elements.

 Overview

This mechanic gear pack enables you to build mechanical assemblies with functional gear trains and experiment with different transmission ratios. It’s ideal for robotics prototyping, hobby model construction, science education and technical demonstrations.

Typical Uses:
Robotics and automation – designing gear mechanisms.
Educational STEM projects – learn about gears and torque.
DIY mechanical models – build gear-based toys and mechanisms.
Repair and prototyping – test or replace gears in custom builds.

Selection of 75 kinds of gear pack (single spindle crown worm gear rack sleeve double bevel tee)  Shaft size is different:

Nine kinds of spindle straight teeth

11 kinds of crown gear

12 kinds of single-gear

19 kinds of double gear

Connecting rack 2

Seven kinds of pulleys

2 kinds of worm

Bushings 6

A sleeve tee

Bevel gears 1

Five kinds of belt