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• Kids can learn the great power of power energy and the beauty of nature
Refer to the included manual for detailed instructions
Its lid can be opened to observe the internal structure more comprehensively
Product Name：NikolaToy™ Solar powered car mounted aromatherapy decoration
this engine model is designed for demonstration
NIKOLATOY® Creative Tesla Columbus Eggs - Fun Physics Experiments In stock • Kids can learn theDescription BrandNIKOLATOY Product NameNikolaToy Creative Tesla Columbus Eggs Size12*12*0cm 4. 7*4. 7*4inch Weight520g MaterialAcrylic + metal Processmoulding Principle explanation: After the motor is powered on, it rotates to drive the top two magnets to rotate equally. After the magnets reach a certain degree of rotation, a magnetic eddy current is formed, and the metal egg on top will rotate with the magnetic eddy current. The rotation principle is