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Feature

Color:as shown;Material:plastic;Quantity:78(66 types gear,4 tires,8 Axle)
78 ideal for DIY science and small production,product design and mechanical model
Small parts.Not for children under 3 yrs.
Including:spindle gear,crown gear,sigle gear,double gear,worn gear,bevel gear,belt pulley,belt,connecting rack,axle sleeve,tee collar,tires
Pefect for model lover,professional audience or DIY Lover

Description

Features
-Axle length of 30mm, 50mm, 70mm, 100mm, shaft diameter is 2mm, the two.
-Four wheel wheels: 4 outer diameter 30mm, bore 2mm
-This gear is covered with a more comprehensive, spindle, single, double, crown gear, pulley, rack, bevel gear, copper gear, bushings, axles, tires, rubber bands and so on
-Gears are mostly 2mm aperture (tight or loose), in addition to a 81.5A spindle hole is 1.5mm, there are two crown is 2.5mm, there is a crown gear C303A is 3mm, a 15 teeth 2.3mm hole and 3.17mm hole.
-The most distinctive gear is: 36MM yellow 2mm hole pulley, rack, four-wheel drive teeth, 28 teeth 2mm fan teeth, there are 30-100mm axles, 30mm diameter wheel wheel five wheels!


Packing Including
1*Flormoon Gear Wheel Worm Gear Spur Gear 74 Type Plastic Crown Gear with 4 Tires