Plastic Spur Gear Kit – 58 Pieces for STEM, DIY Robots, and Motor Projects

58-Piece Plastic Spur Gear Set for STEM, DIY Robots & Educational Engineering Projects

Discover Hands-On Learning with a Complete Plastic Gear Assortment Kit

Empower your kids, students, or DIY team to explore mechanical engineering through play with this 58-piece plastic spur gear set. Designed for STEM education, DIY robotics, motor projects, and prototyping, this gear kit provides a comprehensive solution for teaching mechanical transmission, gear ratios, and motion systems.

This versatile assortment includes spur gears, gear racks, pulleys, and connectors—all made of durable ABS plastic. Whether you're building a classroom curriculum, assembling an Arduino-powered robot, or creating a motor-driven toy model, this gear set offers endless creative applications.

What’s Included in the 58-Piece Plastic Gear Set (mm & inch)

• 58 precision-molded plastic gear components

• Gear types: spur gears, helical gears, pulleys, gear racks, worm gears, and couplings

• Material: high-strength ABS plastic for classroom and DIY use

• Gear diameters: approx. 6mm to 50mm (0.24" to 1.97")

• Gear racks up to 140mm (5.5") long for converting rotary to linear motion

• Axle hole compatibility: standard 2mm to 4mm (0.08" to 0.16") shafts

• Gear module: 0.5M for widespread motor compatibility

This variety pack is perfect for learning about speed, torque, direction, and gearing systems with real, hands-on experimentation.

Why This Gear Kit is Perfect for STEM & Robotics

This plastic gear kit is more than a toy—it's a tool for learning. Whether you're a teacher, hobbyist, or parent, this kit helps explain complex mechanical principles in a fun and engaging way.

• Build functional gear trains for robotics and mechanical models

• Use the included gear rack to simulate linear motion conversion

• Test torque and speed differences by changing gear size and ratios

• Teach trial-and-error problem-solving and real-world physics through active play

With all parts designed for easy snap-fit assembly, students and builders can focus on exploring ideas, not troubleshooting tool compatibility.

Built for Learning – Designed for Durability

Each gear is injection-molded from rigid ABS plastic, offering excellent wear resistance and a smooth rotation experience. The set is safe for hands-on exploration, making it ideal for repeated use in classrooms or workshops.

Whether you're prototyping a robot, teaching mechanical advantage, or building motorized systems, these parts are built to last and adapt.

Our Unique Value – Why Choose Custominsul?

At Custominsul, we do more than sell plastic—we build solutions:

• 🧩 Wide Range of Plastic Types: We carry hundreds of standard and custom plastic parts—from gears to sheets, rods, and fittings.

• 🛠 Customization Services Available: Need specific tooth counts, hole sizes, or shaft fitment? We offer CNC gear customization and prototyping.

• 🤝 Professional Support: Work with a team that understands materials, applications, and the real-world needs of engineers and educators.

• 💰 Helping You Save: We offer cost-effective kits with full coverage so you don’t need to purchase each part separately—saving time and money.

Who Is This Set For?

• STEM educators and schools building mechanical learning kits

• Parents and students creating DIY robot kits or Arduino projects

• Makers and engineers needing assorted gear parts for rapid prototyping

• Hobbyists repairing or upgrading motorized toy gearboxes

From science fairs to lab experiments to home-based learning, this plastic spur gear kit bridges curiosity and capability.

Frequently Asked Questions (FAQ)

Q: Are the gears compatible with N20, 370, or 775 motors?
Yes. The set supports common shaft diameters (2–4mm), including N20 and 370 motors for small robot applications.

Q: Is this safe for children?
Made from non-toxic ABS plastic. We recommend use under adult supervision for ages 8 and up due to small parts.

Q: Do you provide an instruction manual?
A reference layout is included. For bulk educational orders, we can provide additional curriculum guides or 3D print examples.

Q: Can I buy specific gears or request custom sizes?
Absolutely. We support custom plastic gear orders with specific tooth count, shaft hole, and module parameters. Contact us for details.

Ready to Build? Start Your Robotics Project Today

Whether you’re building a STEM curriculum or a small gear train, this 58-piece plastic gear set is your gateway to creative, educational motion systems.

👉 Add to Cart Now – Ideal for robotics, model making, and classroom kits
📩 Need Bulk Orders or Custom Gear Designs? Contact Us for Custom Quotes