116 pcs Technic Gear Axle Pin Connectors - Wheel Connectors Rack Car Building Blocks Accessory Parts Set Compatible with Mindstorms Building Blocks Technic Toys (116 TECH Parts) This listing includes a variety of technic parts. Such as gear differential, rack, friction-free rack connector, train link. Various accessories can be widely used Compatible with MOC car construction and creation. Environmentally friendly ABS materials are used. Brick parts or gearbox connection are good, neither loose nor Compatible with tightened, good quality. Technic parts are compatible with standard size blocks from other major brands. A variety of gear axle parts etc. can be used as replacement Compatible with the assembly, design and construction of your project, such as models of robots, cars, cranes, engineering vehicles and etc. Various technic parts are suitable Compatible with creating a creative model or creating a new design, a great addition to your model stuff. These are great parts Compatible with kids or adults who love to play construction projects. Great gift for festivals and holidays (Children's Day, Christmas, Halloween, Thanksgiving, New Year). Brand new and high quality. Color: Gray, black, yellow, red, blue (the color of some parts will be different from the picture) Material: Plastic Fits all major brands.