Of course I know how magnets work (ok, I kind of know how magnets work), but somehow they still seem a little bit like magic: these wonderful surfaces that things mysteriously stick to, seemingly in defiance of the law of gravity
I'll make this one for Dominic, and the family can build the marble tracks together for Ruben IV. Do it yourself ball ramp. I can see the kids building this and then experimenting. Engaging and rich for all of ECE!