Description: A one or two sentence description of the demonstration.

Followed by a more elaborate description

Cautions: Safety measures that should be taken. Notes of fragile equipment.

Concepts demonstrated:

Setup Time: Short

Difficulty/Commitment: Straightforward but requires practice to spin the top well.

Visibility: Small item, will need video in any but a small of classes

Related demonstrations:

References: PIRA 1Q60.30
Video Encyclopedia 07-17
other references, from the standard demonstration handbooks, or the literature. sometimes there will be a link here to a more extensive discussion