Solar Helicopter Cool Science Kits
Size: 18*7*9cm Weight: about 80 g Color: as shown (you can paint your favorite color with paint) Material: wooden, electronic parts (Batteries need to be prepared by yourself) Packing: OPP bag Installation steps: Please refer to the instructions in the package.
Note: The product is a material package, which needs to be made by children themselves. This solar aircraft cannot fly or go, in order to understand the principle of solar energy.
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1. Ability training: intelligence development, hands-on brain training, interest cultivation, hand eye coordination.
2. This gliders model can not fly. It can only run on the ground.
3. It is a beneficial toy to exercise children's hands-on ability.
4. At the same time, it can learn more about the simple circuit motor and the knowledge of mechanical transmission.
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Seven color disk also known as Newton color disk. It is an instrument made by Newton to explain the composition of sunlight. Round plate is divided into seven fan shapes, painted with red, orange, yellow, green, blue, indigo purple - seven colors. When the disk is fixed on the horizontal axis and rotated rapidly, it can be seen that the plate is white. It illustrates that the sunlight is composed of the above seven colors of light.
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