This 75-piece plastic gear assortment brings together crown gears, spindle gears, single and double reduction gears, a worm gear, pulleys, belts, and connecting parts in one kit. It's built for DIY science projects, small mechanical models, robotics, and product-design prototyping where a wide mix of gear types and sizes is needed on hand.
Features
75 type ideal for DIY science and small production, product design, and mechanical model.
Specification
- Material: Plastic
- Type: spindle gear, crown gear, single gear, double gear, worn gear, bevel gear, belt pulley, belt, connecting rack, axle sleeve, tee collar
- Quantity: 75
Package includes
- 19X Double Reduction Gear
- 12X Single Reduction Gear
- 11X Crown Gear
- 2x Worm Gear
- 9X Spindle Gear
- 7X Belt Pulley
- 6X Axle Sleeve
- 5X Belt
- 2X Connection Rack
- 1X Tee Collar
Why Choose This Gear Set?
- One kit covers 10 different part types — crown, spindle, single/double reduction, and worm gears, plus pulleys, belts, axle sleeves, connecting racks, and a tee collar — instead of buying each part separately.
- Well suited to STEM learning projects, DIY robotics, small motorized models, and product-design prototyping where gear ratios and mechanical linkages need testing.
- Lightweight plastic construction keeps cost down for experimentation and iteration compared to metal gear sets.
- Want more parts on hand, or a colorful mixed set instead? The 55 Type Colorful Mixed Plastic Gears covers a smaller, colorful alternative kit.
Common Uses for This Gear Set
- STEM and school science projects exploring gear ratios and mechanical motion.
- DIY robotics and small motorized car/robot builds.
- Product-design prototyping and mechanical model-making.
- Replacement parts for existing gear-driven DIY projects that need a spare crown, spindle, or worm gear.
- Browse RAM Electronics' Simple DIY electronics for kids and Robotics parts & accessories categories for related kits and parts.
Frequently Asked Question
What's the difference between the single, double, and worm gears in this set?
Single and double reduction gears step down motor speed to increase torque (double reduction gears more so), while the worm gear provides a high reduction ratio and can only be driven in one direction (from the worm to the gear), which is useful for holding a mechanism in place without back-driving.
Is this set suitable for school STEM projects?
Yes — the mix of gear types, pulleys, and belts makes it a practical hands-on kit for teaching gear ratios, torque, and basic mechanical linkages.
Working on a DIY robotics build, school STEM project, or mechanical model? Shop the 75 Type Plastic Crown Gear Set at RAM Electronics for a ready mix of gears, pulleys, and connecting parts in one kit