Pay in 4 interest-free payments of $9.97 Learn more
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Battery Life: not less than 30 minutes under full charge
the eyes will turn purple
The inner core is made of aviation alloy
and other items
NIKOLATOY® Creative Tesla Columbus Eggs - Fun Physics Experiments In stock Battery Life: not less thanDescription BrandNIKOLATOY Product NameNikolaToy Creative Tesla Columbus Eggs Size12*12*0cm 4. 7*4. 7*4inch Weight520g MaterialAcrylic + metal Processmoulding Principle explanation: After the motor is powered on, it rotates to drive the top two magnets to rotate equally. After the magnets reach a certain degree of rotation, a magnetic eddy current is formed, and the metal egg on top will rotate with the magnetic eddy current. The rotation principle is
US$ 38.88
US$ 58.88
US$ 40.88
US$ 36.88
US$ 47.88