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STEM Robotic Pick Up Tool Hydraulic Mechanical Arm Toy
The principle of operation is hydraulic system applications .The syringe and the flexible water hose make up a simplehydraulic drive system.The basic working principle of hydraulictransmission is based on Pascal's principle of engineering fluiddynamics, which mainly transfers energy by the pressure of theliquid.
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Construction Toy Manual Hydraulic Excavator for Kids Play
The principle of operation is hydraulically . Liquid transmission is a form of transmission that uses liquid as theworking medium for energy transfer and control.Power is transmittedby pressing the liquid in the syringe to raise and lower the robotic arm.
It's an application of Pascal's Law:An incompressible stationary fluid atany point in which a pressure increase is generated by an externaforce, and this pressure increase is instantaneously transferred to allpoints in the fluid.
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Movable Airplane Model Toy for Kids Ornament Handcraft
The principle of operation is aerodynamic airplan . Aircraft propellers rotate at high speeds driven by engines andcreates a tensile force that pulls the airplane forward.There willbe two forces at the same time
One is the aerodynamic force that pulls the fan blade forwardand the other is the reaction force created by pushing the airbackward after having the fan blade twisted.
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Electric Automatic Ball Blowing Game Toy for Kids Gift
The principle of operation is air compression reflux . Place the foam ball above the air stream, the air currents arepounding the ball, keeping it from falling, when the ball arejumping out of the airflow, the air around it pushes it back into theairflow, Because the surrounding air velocity is small and thepressure is high, while the air in the stream has a high velocity anda low pressure, this is the "Bernoulli effect".
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DIY Portable Bubble Making Machine for Playtime Activity
The principle of operation is air squeezing . The movement of a bubble machine is made up of a water pumpand fan parts, the water pump part will bubble water pumped tothe air outlet, and then the fan will produce wind to blow thebubble water outward.
In the process of blowing out the air will be sucked into the liquiddroplets, so that the liquid droplets will expand, and the bubblewater will turn into gorgeous colorful bubbles.
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Tiny Desktop Cold Water Dispenser Toy for Role Play
The principle of operation is negative pressure for water circulation . The water dispenser relies on the pressure of the air, the internawater circulation, and the water is dispensed through negativepressure. Water pump through the water pressure to control thecircuit of a small electric appliance, the fixed volume of theinternal air compression,the formation of negative pressureunder the action of the pressure difference, it can be sucked upand pressurized to the pump outlet.
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Optics Science Solar Powered Windmill House for Kids Aged 8+
The principle of operation is solar energy into electricity is mainly through the photovoltaic effect. Solar cels use the photovoltalc efect ofsemiconductor materials to convet solar energy into electricity.
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Robot Shark
The principle of operation is crank connecting rod. A machine shark is when the motor turns the wheel, and the shaft on thewheel drives the connecting rod in a circular motion. But because onesection of the connecting rod is fixed to the tail, the other end of theconnecting rod pulls the tail to swing from side to side in a circle centeredon the cross peg axis.
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Travel Train
The principle of operation is conversion of electrical energy into kinetic energy. The working principle of the small train: electrical energy is converted into kinetic energy. We usebatteries to supply electrical energy to the motor, causing it to rotate at high speed. The wormgear on the motor shaft and the single gear form a gearbox, which reduces the high rotationalspeed to a lower speed. This reduction in speed increases the train's power, allowing the smalltrain to move forward.
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