34 kinds of rack and pinion gear bag toy model pulley plastic sharft worm gear reducer for robot diy kit

34 kinds motor gear rack pulley belt worm single double plastic gears kit set 34 different kinds of parts and accessories in just one package. 
Which makes it a perfect choice for laboratories, science education, diy models, rc-airplane/helicopter repair, etc.
Our product includes gear, rack, pulleys, belts, and other transmission parts, and all the display pictures were taken in kind.

Specifications:-

•  Color: As the pictures show
  
• Material: Plastic 
  
• Shape: Ring Gear
  
• Processing: Hobbing
  
• Model Number: Plastic Gear
  
• Standard or Nonstandard: Standard
  
• Tooth Profile: Bevel Gear
• Pressure Angle: Other

Package include:-

 1x 34 kinds of rack and pinion gear bag toy model pulley plastic sharft worm gear reducer for robot diy kit

• Material: Plastic
• It a perfect choice for laboratories, science education, diy models, rc-airplane/helicopter repair, etc.
• Our product includes gear, rack, pulleys, belts, and other transmission parts, and all the display pictures were taken in kind.
• Color: As the pictures show
• Package include:- 1x 34 kinds of rack and pinion gear bag toy model pulley plastic sharft worm gear reducer for robot diy kit