DIY Electric Wind Car Toys Kids Students Physical Science Experiments STEM Developing Technology Learning Set

DIY Electric Wind Car Toys Kids Students Physical Science Experiments Technology Learning KitFeatures 1 Wood colored products can be DIY painted to create a unique toy 2 Use the weight drop to drive the wheel rotation principle to build a car 3 Let students simply understand the conservation of energy Specification Material Plastic WoodSize 12 5 X 12 X 7cm 4 92 X 4 72 X 2 76 Recommended Age 5 years old or aboveBattery NOT IncludingExperimental Report When the weight falls and the wheel rotates what is the top of the shelf It is called a pulley so what is the role It is possible to change the direction of the force The weight is moved downward by gravity to produce downward energy The rope and the fixed pulley are used to change the direction of the force and the other end becomes the upward movement The rope pulls the rope wound on the shaft to make the wheel turn to achieve the purpose of driving Warm Tips 1 When assembling the product that requires the circuit pay attention to the fact that the red wire is connected to the positive terminal of the battery case the blue wire is connected to the negative terminal of the battery case 2 All products is NOT including battery the accessories are random in color color is NOT specified please read it carefully before purchasing 3 Contains small accessories and sharp objects children must be accompanied by an adult please take care of children to avoid swallowing Notes 1 Due to the different monitor and li