200 قطعة 0.5 قالب تروس بلاستيكية و 2 قطعة محرك عالي السرعة و 5 قطعة رمح لمحرك DC لتقوم بها بنفسك

200Pcs Gears , including spindle gears, plane gears, Crown gears, worms, etc. different types of gears; Materials : Plastic; Aperture:0.8-3mm
The gear s are compatible with each other to facilitate your creation
Accessories for robot,toy car,boat airplane,ect.
5Pcs shaft, Material: Stainless Steel,length: 100mm, diameter:2mm
100% SATISFACTION GUARANTE: If something wrong with the items in any way, please contact us, we will deal with it until you are satisfied.