40 Pcs Gear Robot Toy Kids Playset Overdrive Helicopter Spare Parts Toys Engine Parts Auto Parts Drone for Kids 9 Tooth Airplane Toy Airplane Model Metal DIY Motor Car 10t Copper
$14.79
Description
Car accessories-- application: copper crown gears suit for a science DIY projects such as rc model car, model electric robot and windmill, education such as displaying how gear ratios work, and any other family small motor DIY project. adopted metallurgy process, high precision and good matching, wonderful replacement of original parts..Drones for-- good replacement of old or damaged motor gears for perfect assembly..Cars toy-- suitable for toy asssemble: the durable gear is suitable for DIY model production technology..Rc helicopters-- light weight does not increase the burden on your toy motor..Drone motor gear-- the perfect accessory for motor upgrade accessory, exquisite appearance, wear resistant for long-term use.
