How strong is the magnetic force of an electromagnetic crane? #Science #Unzip #Electromagnet #Excava

Variety School Bus and Super Flying Hero Engineering Vehicle

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When the toy is painted golden yellow, the grade goes up at once

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This RC excavator is so handsome, how many people like this painting

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You don't know until you touch it. You'll be shocked when you touch it. 360 and magnet #Brain hole o

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When magnet meets liquid nitrogen...

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Action Figure|Excavators: There are so many cars under the soil?

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cool! How many marbles can 2 cleaning trucks hold in 3 trash cans? excavator construction vehicle to

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Excavator and truck working video Children's engineering vehicle dyeing show Parent-child games

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Excavator and Bulldozer Dyeing Game Video Excavator Video Show Daquan Children's Big Crane Excavator

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Wow! What makes excavators, mixer trucks, dump trucks, and construction vehicles purple?

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Early education of engineering vehicles, understanding of excavators, mixer trucks, etc.

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There are trucks in various colors, excavators, construction vehicles, and cute trucks sleeping in t

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Car excavator and police car tire assembly learning toys try cartoon animation

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Puzzle animation engineering vehicle excavator toy animation forklift crane cartoon

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Magic' of the Magnets

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Toy trucks cover the bridge, and waterside engineering vehicles are more fun

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Get to know fire truck toys, mixer truck toys, ambulance toys, etc.

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Get to know construction vehicles such as disc rock saws, milling machines, etc.

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Wow! The toy car gets bigger through the tunnel, it's amazing

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Magnet trigger sound

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