مجموعات التروس، مجموعة تروس بلاستيكية، مجموعة تروس دودة حزام البكرة، مجموعة تروس تاج، لعبة محرك روبوت، قطع غيار تروس دودة (64 نوع))

High Quality: Plastic gears are made of plastic which is durable, it can prolong the product service life
Applicable Scope: Gears kits are for toys gear pulley and other spare parts and suitable for DIY model technology production
Sufficient Quantity: Plastic gears are sufficient including many kinds of gear parts and you can find one that better meet your need, they are also good replacement of old or broken parts
Easy To Carry: Gears kits are lightweight, it is easy and convenient to carry
What You Will Get: You will get sufficient quantity brand new gears kits, it is helpful and useful to your work and creation