Activity & Learning Toys

Cpolebev Solar Magnetic Levitation Model Levitating Mendocino Motor Educational Model St41 Speed: 1000 RPM 4 solar lithium battery 2 sets of painted wire 1 section 铷 ironing boron strong magnet very strong, attention, assembly of the fixture, hand-made. this group have this function to automatically reverse the solar cell receiving coil,... Cpolebev Solar Magnetic Levitation Model Levitating Mendocino Motor Educational Model St41