I teach both math and science, and I often purchase items to inspire student curiosity.It has 1 big solar cell to provide magnetic field power. the shape is novel, my students were attracted by it when the first time I shown it. Nice working!
Great little motor starts by its self when sun hits it on windowsill. Nice quality.
Nice conversation piece! Just the base color not like the picture shown. But the transparent is fine, not affect using.