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• Ideal toy and gift for all children above 10 years old
That’s better for learning the basic technology of Machine
Power: Lithium battery power supply
Material: Alloy
NIKOLATOY® Creative Tesla Columbus Eggs - Fun Physics Experiments In stock • Ideal toy and giftBrandNIKOLATOY 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 to rotate
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