75 Kinds Plastic Shaft Single Double Reduction Crown Worm Gears DIY For Robot BX7, R37

DescriptionThe 75 Kinds Plastic Shaft Single Double Reduction Crown Worm Gears is a DIY product designed for Robot.Features:The product is for toys gear spare parts packageThe great tools for all kinds of DIY cars, robots, model making accessoriesSuitable for DIY model production technologyThis is the most complete gear set, Includes 75 kinds of gear parts.It can meet your DIY needsSet includes:Spindle straight tooth: 9 kinds (each one)Crown gear: 11 kinds (each one)Single gear: 12 kinds (each one)Double gear: 19 kinds (each one)Connecting rack: 2pcsBelt pulley: 7 kinds (each one)Worm: 2 kinds (each one)Axle sleeve: 6pcsTee collar: 1pcsGear-B: 1pcsBelt: 5 kinds (each one)