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40PCS/lot Plastic Gear Rack Pulley Belt Worm Gear

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৳ 400.00

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This package including gear, rack, pulley and belt drive a total of 40 parts, photo as the photo. Many parts are our own design and production, other places can’t buy accessories variety is complete, the experiment is scientific research, popular science activities, personal diy models such as the necessary machinery accessories, 40 kinds of gear package, It can be used whether model, toys, cars, planes, remote control toys. This package including gear, rack, pulley and belt drive a total of 40 parts

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