Features • 0.4mm enameled wire, the trapezoidal hollow coil has a higher frequency. • 8 permanent magnets, the magnetic force is not reduced for a long time. • 8 groups of circuit boards are controlled separately, 8mm output shaft. • Transparent acrylic structure is beautiful and sturdy, silent.
Description The upper and lower double-layer coil structure strengthens the magnetic field and enhances the utilization of the magnet. High efficiency, high speed, stable structure, strong torque, to facilitate presentation. Vertical double coil structure, the utilization of the magnetic field strengthening.
Recommended Age: Suitable for kids of > 10 years old