Comprehensive Kit Includes 75 pieces of various gears and accessories.
Durability Constructed from high-quality plastic.
Adaptability Suitable for robotics, DIY models, and household repairs.
Educational Aids in science education and mechanical understanding.
Skilled Development Enhances hands-on skills and divergent thinking.

Product: Rack and pinion gear pulley plastic shaft set
Easy Replacement: Change gears effortlessly when damaged
Durable Material: Made of high-quality plastic
Long Service Life: For extended use
Comprehensive Set: Includes 34 types of gear
User-Friendly: Designed for ease of use