David L. Martel wrote, on Mon, 10 Nov 2014 08:02:16 -0500:

Most electrons do not "circle" the nucleus.

Yeah. I took chemistry. 1s2, 2p6, 3s2, etc.

IIRC, they're shaped like figure-8 dumbbells (at the lower
orbitals anyway).

If I can find figure-8-shaped wire, that would be neat, but,
as someone said, for a kid's school project, that's a stretch.